In Jefferson County there are 12 residential internet providers covering 99.96% of the county. The average home can get speeds up to 961 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
12 Internet Service Providers in Jefferson County
To avoid wasting your time, providers with less than 1% coverage in Jefferson County are not shown.
Jefferson County Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
HughesNet Satellite Internet
Where in Jefferson County is internet available?
Internet Availability Key
Internet service is available in 99.96% of Jefferson County. Areas in green are more likely to have fiber, cable, DSL, or fixed wireless internet service. Areas in red may be more reliant on satellite service. The most widely available provider is Centurylink. Call one of the companies with service in Jefferson County above to see who has service at your home, or click the technology to see where it can be found in Jefferson County.
How fast are internet speeds in Jefferson County?
The map below shows maximum internet speeds by area in Jefferson County.
Internet Speed Key
The average Jefferson County home can get up to 961 Mbps on their internet plan. For most people, the fastest download speed in the county is 1,000 Mbps, which 95.37% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 1.5 Mbps. See the internet provider details below for info about their speed and coverage in Jefferson County.
Internet speeds tend to be faster in the east parts of Jefferson County, and slower in the southwest areas of the county.
What type of internet should I choose in Jefferson County?
The fastest internet for you may vary based on where in Jefferson County you live. If speed is your main concern, fixed wireless will be the fastest internet in the county.
- Fiber is the fastest internet type for less than 1% of Jefferson County homes.
- Cable is fastest for 30.65% of the county.
- DSL is fastest for 2.38%.
- Fixed wireless is fastest for 66.69%.
- Satellite internet may be the only option for less than 1% of Jefferson County homes.
Internet Market Health in Jefferson County
Internet Competition Key
The map shows how competitive the Jefferson County internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Jefferson County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.0 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.4 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 4.9 (very healthy)
Overall, competition is very healthy.
Jefferson County internet customers have the ability to buy internet service from 1 to 8 different providers, depending on where they live. For different types of service, Jefferson County homes have between 1 and 4 options. The type(s) of service available are fixed wireless, cable, dsl, and fiber, though these may vary depending on the region within the county.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Jefferson County internet customers who want faster speeds have between 0 and 8 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Jefferson County is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Jefferson County, along with details on where in Jefferson County and at what speeds.
Centurylink DSL in Jefferson County, CO
Centurylink DSL coverage
About 94.85%, or 507,026 people, have Centurylink DSL internet available to them in the county. The company covers the entire Jefferson County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Jefferson County.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Jefferson County. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 19 different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Centurylink goes up to 140 Mbps, the slowest package only goes up to 0.50 Mbps, and the county-wide average maximum speed for Jefferson County customers is up to 92 Mbps.
Show all download speeds
- 24.9% up to 140.0 Mbps
- 1.0% up to 120.0 Mbps
- 35.7% up to 100.0 Mbps
- 14.6% up to 80.0 Mbps
- 0.0% up to 65.0 Mbps
- 5.6% up to 60.0 Mbps
- 8.3% up to 40.0 Mbps
- 1.8% up to 30.0 Mbps
- 1.5% up to 20.0 Mbps
- 1.2% up to 15.0 Mbps
- 0.7% up to 12.0 Mbps
- 1.1% up to 10.0 Mbps
- 0.6% up to 7.0 Mbps
- 0.2% up to 6.0 Mbps
- 0.0% up to 5.0 Mbps
- 1.1% up to 3.0 Mbps
- 1.2% up to 1.5 Mbps
- 0.0% up to 0.5 Mbps
- 0.2% up to 0.5 Mbps
Centurylink DSL upload speeds
In Jefferson County download speeds tend to be than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and the fastest compared to other Jefferson County DSL providers. Centurylink offers 19 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 100 Mbps. Some customers have slower plan choices, which only go up to 0.25 Mbps. On average, Centurylink customers can get speeds up to 12 Mbps.
Show all upload speeds
- 0.1% up to 100.0 Mbps
- 1.5% up to 40.0 Mbps
- 0.0% up to 30.0 Mbps
- 27.3% up to 20.0 Mbps
- 0.0% up to 12.0 Mbps
- 47.2% up to 10.0 Mbps
- 7.1% up to 5.0 Mbps
- 6.5% up to 3.0 Mbps
- 1.1% up to 2.0 Mbps
- 2.1% up to 1.5 Mbps
- 1.9% up to 1.0 Mbps
- 1.5% up to 0.9 Mbps
- 0.1% up to 0.8 Mbps
- 1.1% up to 0.8 Mbps
- 0.0% up to 0.6 Mbps
- 0.6% up to 0.5 Mbps
- 1.6% up to 0.5 Mbps
- 0.0% up to 0.3 Mbps
- 0.2% up to 0.3 Mbps
XFINITY from Comcast Cable in Jefferson County, CO
XFINITY cable coverage
About 92.31%, or 493,461 people, have XFINITY cable internet available to them in the county. The company covers the entire Jefferson County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Jefferson County.
XFINITY from Comcast cable download speeds
XFINITY is one of the fastest when comparing download speeds to all other internet providers in Jefferson County. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from XFINITY goes up to 1,000 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
XFINITY from Comcast cable upload speeds
In Jefferson County download speeds tend to be than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Jefferson County cable providers. XFINITY offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Centurylink Fiber in Jefferson County, CO
Centurylink fiber coverage
About 47.05%, or 251,501 people, have Centurylink fiber internet available to them in the county. The company covers the entire Jefferson County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Jefferson County.
Centurylink fiber download speeds
Centurylink is above average when comparing download speeds to all other internet providers in Jefferson County. Versus other fiber providers in the area, Centurylink fiber is the fastest. There are 13 different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Centurylink goes up to 940 Mbps, the slowest package only goes up to 1.5 Mbps, and the county-wide average maximum speed for Jefferson County customers is up to 808 Mbps.
Show all download speeds
- 84.0% up to 940.0 Mbps
- 9.2% up to 150.0 Mbps
- 2.5% up to 100.0 Mbps
- 0.7% up to 80.0 Mbps
- 0.4% up to 60.0 Mbps
- 1.8% up to 40.0 Mbps
- 0.1% up to 30.0 Mbps
- 0.5% up to 20.0 Mbps
- 0.0% up to 15.0 Mbps
- 0.3% up to 12.0 Mbps
- 0.3% up to 7.0 Mbps
- 0.1% up to 3.0 Mbps
- 0.0% up to 1.5 Mbps
Centurylink fiber upload speeds
In Jefferson County download speeds tend to be than upload speeds for Centurylink fiber. Compared to other ISPs, Centurylink is above average where upload speeds are concerned, and the fastest compared to other Jefferson County fiber providers. Centurylink offers 14 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 940 Mbps. Some customers have slower plan choices, which only go up to 0.26 Mbps. On average, Centurylink customers can get speeds up to 793 Mbps.
Show all upload speeds
- 84.0% up to 940.0 Mbps
- 0.9% up to 100.0 Mbps
- 1.0% up to 50.0 Mbps
- 0.1% up to 40.0 Mbps
- 9.6% up to 20.0 Mbps
- 1.2% up to 10.0 Mbps
- 1.6% up to 5.0 Mbps
- 0.2% up to 3.0 Mbps
- 0.2% up to 2.0 Mbps
- 0.1% up to 1.5 Mbps
- 0.7% up to 0.9 Mbps
- 0.0% up to 0.8 Mbps
- 0.3% up to 0.5 Mbps
- 0.0% up to 0.3 Mbps
TDS Cable in Jefferson County, CO
TDS cable coverage
About 3.10%, or 16,578 people, have TDS cable internet available to them in the county. The company covers the northwest, north, and west Jefferson County area. TDS is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Jefferson County.
TDS cable download speeds
TDS is above average when comparing download speeds to all other internet providers in Jefferson County. Versus other cable providers in the area, TDS cable is the slowest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from TDS goes up to 600 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 600.0 Mbps
TDS cable upload speeds
In Jefferson County download speeds tend to be than upload speeds for TDS cable. Compared to other ISPs, TDS is below average where upload speeds are concerned, and the slowest compared to other Jefferson County cable providers. TDS offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Aerux Broadband Fixed Wireless in Jefferson County, CO
Aerux Broadband fixed wireless coverage
About 64.97%, or 347,285 people, have Aerux Broadband fixed wireless internet available to them in the county. The company covers the entire Jefferson County area. Aerux Broadband is a large internet service provider internet service providers in the US, with internet service available in a majority of Jefferson County.
Aerux Broadband fixed wireless download speeds
Aerux Broadband is one of the fastest when comparing download speeds to all other internet providers in Jefferson County. Versus other fixed wireless providers in the area, Aerux Broadband fixed wireless is one of the fastest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Aerux Broadband goes up to 1,000 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Aerux Broadband fixed wireless upload speeds
In Jefferson County download speeds tend to be than upload speeds for Aerux Broadband fixed wireless. Compared to other ISPs, Aerux Broadband is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Jefferson County fixed wireless providers. Aerux Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
T-Mobile Home Internet in Jefferson County, CO
T-Mobile Home Internet fixed wireless coverage
About 60.16%, or 321,591 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire Jefferson County area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Jefferson County.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is one of the slowest when comparing download speeds to all other internet providers in Jefferson County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is one of the slowest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from T-Mobile Home Internet goes up to 25 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Jefferson County download speeds tend to be than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is the slowest where upload speeds are concerned, and the slowest compared to other Jefferson County fixed wireless providers. T-Mobile Home Internet offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Rise Broadband Fixed Wireless in Jefferson County, CO
Rise Broadband fixed wireless coverage
About 40.14%, or 214,580 people, have Rise Broadband fixed wireless internet available to them in the county. The company covers the south, southwest, northeast, west, southeast, east, central, and northwest Jefferson County area. Rise Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in some of Jefferson County.
Rise Broadband fixed wireless download speeds
Rise Broadband is below average when comparing download speeds to all other internet providers in Jefferson County. Versus other fixed wireless providers in the area, Rise Broadband fixed wireless is below average. There are 4 different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Rise Broadband goes up to 50 Mbps, the slowest package only goes up to 5.0 Mbps, and the county-wide average maximum speed for Jefferson County customers is up to 27 Mbps.
Show all download speeds
- 17.4% up to 50.0 Mbps
- 67.9% up to 25.0 Mbps
- 10.9% up to 15.0 Mbps
- 3.9% up to 5.0 Mbps
Rise Broadband fixed wireless upload speeds
In Jefferson County download speeds tend to be than upload speeds for Rise Broadband fixed wireless. Compared to other ISPs, Rise Broadband is below average where upload speeds are concerned, and below average compared to other Jefferson County fixed wireless providers. Rise Broadband offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Rise Broadband customers can get speeds up to 5.5 Mbps.
Show all upload speeds
- 17.4% up to 10.0 Mbps
- 67.9% up to 5.0 Mbps
- 10.9% up to 3.0 Mbps
- 3.9% up to 1.0 Mbps
Xtream Internet Fixed Wireless in Jefferson County, CO
Xtream Internet fixed wireless coverage
About 38.93%, or 208,094 people, have Xtream Internet fixed wireless internet available to them in the county. The company covers the south, southeast, east, central, southwest, and west Jefferson County area. Xtream Internet is a large internet service provider internet service providers in the US, with internet service available in some of Jefferson County.
Xtream Internet fixed wireless download speeds
Xtream Internet is below average when comparing download speeds to all other internet providers in Jefferson County. Versus other fixed wireless providers in the area, Xtream Internet fixed wireless is below average. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Xtream Internet goes up to 40 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 40.0 Mbps
Xtream Internet fixed wireless upload speeds
In Jefferson County download speeds tend to be than upload speeds for Xtream Internet fixed wireless. Compared to other ISPs, Xtream Internet is below average where upload speeds are concerned, and below average compared to other Jefferson County fixed wireless providers. Xtream Internet offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 40 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 40.0 Mbps
Live Wire Networks Fixed Wireless in Jefferson County, CO
Live Wire Networks fixed wireless coverage
About 28.87%, or 154,299 people, have Live Wire Networks fixed wireless internet available to them in the county. The company covers the northeast, north, west, northwest, central, and east Jefferson County area. Live Wire Networks is a large internet service provider internet service providers in the US, with internet service available in a small portion of Jefferson County.
Live Wire Networks fixed wireless download speeds
Live Wire Networks is below average when comparing download speeds to all other internet providers in Jefferson County. Versus other fixed wireless providers in the area, Live Wire Networks fixed wireless is below average. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Live Wire Networks goes up to 100 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Live Wire Networks fixed wireless upload speeds
In Jefferson County download speeds tend to be than upload speeds for Live Wire Networks fixed wireless. Compared to other ISPs, Live Wire Networks is below average where upload speeds are concerned, and below average compared to other Jefferson County fixed wireless providers. Live Wire Networks offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 25 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 25.0 Mbps
Kellin Communications Fixed Wireless in Jefferson County, CO
Kellin Communications fixed wireless coverage
About 25.05%, or 133,897 people, have Kellin Communications fixed wireless internet available to them in the county. The company covers the south, southeast, and southwest Jefferson County area. Kellin Communications is a large internet service provider internet service providers in the US, with internet service available in a small portion of Jefferson County.
Kellin Communications fixed wireless download speeds
Kellin Communications is below average when comparing download speeds to all other internet providers in Jefferson County. Versus other fixed wireless providers in the area, Kellin Communications fixed wireless is below average. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Kellin Communications goes up to 50 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 50.0 Mbps
Kellin Communications fixed wireless upload speeds
In Jefferson County download speeds tend to be than upload speeds for Kellin Communications fixed wireless. Compared to other ISPs, Kellin Communications is below average where upload speeds are concerned, and below average compared to other Jefferson County fixed wireless providers. Kellin Communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 15 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 15.0 Mbps
NETEO Fixed Wireless in Jefferson County, CO
NETEO fixed wireless coverage
About 2.93%, or 15,636 people, have NETEO fixed wireless internet available to them in the county. The company covers the southwest, south, and west Jefferson County area. NETEO is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of Jefferson County.
NETEO fixed wireless download speeds
NETEO is below average when comparing download speeds to all other internet providers in Jefferson County. Versus other fixed wireless providers in the area, NETEO fixed wireless is below average. There are 7 different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from NETEO goes up to 100 Mbps, the slowest package only goes up to 12 Mbps, and the county-wide average maximum speed for Jefferson County customers is up to 36 Mbps.
Show all download speeds
- 3.1% up to 100.0 Mbps
- 2.6% up to 75.0 Mbps
- 27.2% up to 50.0 Mbps
- 6.8% up to 35.0 Mbps
- 55.5% up to 25.0 Mbps
- 2.5% up to 20.0 Mbps
- 2.3% up to 12.0 Mbps
NETEO fixed wireless upload speeds
In Jefferson County download speeds tend to be than upload speeds for NETEO fixed wireless. Compared to other ISPs, NETEO is below average where upload speeds are concerned, and below average compared to other Jefferson County fixed wireless providers. NETEO offers 5 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 4.0 Mbps. On average, NETEO customers can get speeds up to 6.8 Mbps.
Show all upload speeds
- 2.5% up to 20.0 Mbps
- 0.1% up to 15.0 Mbps
- 28.2% up to 10.0 Mbps
- 66.8% up to 5.0 Mbps
- 2.3% up to 4.0 Mbps
STARRY Fixed Wireless in Jefferson County, CO
STARRY fixed wireless coverage
About 2.30%, or 12,286 people, have STARRY fixed wireless internet available to them in the county. The company covers the east Jefferson County area. STARRY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Jefferson County.
STARRY fixed wireless download speeds
STARRY is below average when comparing download speeds to all other internet providers in Jefferson County. Versus other fixed wireless providers in the area, STARRY fixed wireless is below average. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from STARRY goes up to 200 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 200.0 Mbps
STARRY fixed wireless upload speeds
In Jefferson County download speeds tend to be than upload speeds for STARRY fixed wireless. Compared to other ISPs, STARRY is above average where upload speeds are concerned, and above average compared to other Jefferson County fixed wireless providers. STARRY offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 200 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 200.0 Mbps
Jefferson County Internet by Area
This information is most helpful to those looking for homes or considering moving to Jefferson County or any of the areas nearby.
How does internet in Jefferson County compare to the rest of Colorado?
Internet speeds in Jefferson County are comparable versus the average speeds in Colorado: 972 Mbps in Colorado versus 961 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in Colorado is 99.71% versus 99.96% in Jefferson County.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Jefferson County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service look like in other counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Denver County, CO: more internet coverage, faster speeds
- Broomfield County, CO: more internet coverage, faster speeds
- Arapahoe County, CO: more internet coverage, faster speeds
- Adams County, CO: less internet coverage, faster speeds
- Gilpin County, CO: less internet coverage, slower speeds
- Douglas County, CO: more internet coverage, faster speeds
- Clear Creek County, CO: less internet coverage, slower speeds
- Boulder County, CO: less internet coverage, slower speeds
- Weld County, CO: less internet coverage, slower speeds
- Park County, CO: less internet coverage, slower speeds
Counties with Similar Populations
- Utah County, UT: less internet coverage, faster speeds
- Brevard County, FL: more internet coverage, faster speeds
- Anne Arundel County, MD: less internet coverage, faster speeds
- Washington County, OR: more internet coverage, faster speeds
- Union County, NJ: less internet coverage, faster speeds
- Delaware County, PA: less internet coverage, faster speeds
- Bristol County, MA: less internet coverage, faster speeds
- New Castle County, DE: less internet coverage, faster speeds
- Johnson County, KS: more internet coverage, faster speeds
- Summit County, OH: more internet coverage, faster speeds