In Jefferson County there are 2 residential Cable providers covering 95.16% of the county. The average home can get speeds up to 988 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.
Cable 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 cable internet available?
Cable Internet Availability Key
Cable is available in 95.16% of Jefferson County. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in Jefferson County above to see who has service at your home.
How fast is cable internet in Jefferson County?
The map below shows maximum cable internet speeds by area in Jefferson County.
Cable Internet Speed Key
The average Jefferson County home can get up to 988 Mbps on their cable internet plan. The fastest cable download speed in the county is 1,000 Mbps, which 92.31% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.85% of homes can only purchase plans up to 600 Mbps. See the internet provider details below for info about their speed and coverage in Jefferson County.
Cable internet speeds tend to be faster in the northeast parts of Jefferson County, and slower in the northwest areas of the county.
Is cable the fastest internet I can get in Jefferson County?
The fastest internet for you may vary based on where in Jefferson County you live. In general, fixed wireless competes most often with cable 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.
Cable 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.
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
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
Jefferson County Cable 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 cable internet in Jefferson County compare to the rest of Colorado?
Cable internet speeds in Jefferson County are comparable versus the average speeds in Colorado: 982 Mbps in Colorado versus 988 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Colorado is 88.03% versus 95.16% in Jefferson County.
What zip codes have cable internet?
Cable 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 cable internet 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 cable coverage, faster speeds
- Broomfield County, CO: more cable coverage, faster speeds
- Arapahoe County, CO: more cable coverage, faster speeds
- Adams County, CO: less cable coverage, faster speeds
- Gilpin County, CO: less cable coverage, slower speeds
- Douglas County, CO: less cable coverage, faster speeds
- Clear Creek County, CO: less cable coverage, faster speeds
- Boulder County, CO: less cable coverage, faster speeds
- Weld County, CO: less cable coverage, slower speeds
- Summit County, CO: more cable coverage, slower speeds
Counties with Similar Populations
- Utah County, UT: less cable coverage, slower speeds
- Brevard County, FL: more cable coverage, slower speeds
- Anne Arundel County, MD: less cable coverage, faster speeds
- Washington County, OR: more cable coverage, faster speeds
- Union County, NJ: more cable coverage, faster speeds
- Delaware County, PA: more cable coverage, faster speeds
- Bristol County, MA: more cable coverage, faster speeds
- New Castle County, DE: more cable coverage, faster speeds
- Johnson County, KS: more cable coverage, slower speeds
- Summit County, OH: more cable coverage, slower speeds