In DeKalb County there are 3 residential Cable providers covering 88.10% of the county. The average home can get speeds up to 994 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 DeKalb County
To avoid wasting your time, providers with less than 1% coverage in DeKalb County are not shown.
DeKalb 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 DeKalb County is cable internet available?
Cable Internet Availability Key
Cable is available in 88.10% of DeKalb 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 DeKalb County above to see who has service at your home.
How fast is cable internet in DeKalb County?
The map below shows maximum cable internet speeds by area in DeKalb County.
Cable Internet Speed Key
The average DeKalb County home can get up to 994 Mbps on their cable internet plan. The fastest cable download speed in the county is 1,000 Mbps, which 79.84% 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 200 Mbps. See the internet provider details below for info about their speed and coverage in DeKalb County.
Cable internet speeds tend to be faster in the west parts of DeKalb County, and slower in the north areas of the county.
Is cable the fastest internet I can get in DeKalb County?
The fastest internet for you may vary based on where in DeKalb County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 74.92% of DeKalb County homes.
- Cable is fastest for 18.77% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 5.76%.
- Satellite internet may be the only option for less than 1% of DeKalb County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in DeKalb County, along with details on where in DeKalb County and at what speeds.
XFINITY from Comcast Cable in DeKalb County, IL
XFINITY cable coverage
About 66.02%, or 69,424 people, have XFINITY cable internet available to them in the county. The company covers the entire DeKalb County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in much of DeKalb County.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in DeKalb County. Versus other cable providers in the area, XFINITY cable is above average. There are 2 different maximum speeds throughout DeKalb County. The fastest plan anyone in DeKalb County can order from XFINITY goes up to 1,000 Mbps, the slowest package only goes up to 200 Mbps, and the county-wide average maximum speed for DeKalb County customers is up to 996 Mbps.
Show all download speeds
- 99.5% up to 1,000.0 Mbps
- 0.5% up to 200.0 Mbps
XFINITY from Comcast cable upload speeds
In DeKalb 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 slowest compared to other DeKalb County cable providers. XFINITY offers 2 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 DeKalb County is up to 35 Mbps. Some customers have slower plan choices, which only go up to 10 Mbps. On average, XFINITY customers can get speeds up to 35 Mbps.
Show all upload speeds
- 99.5% up to 35.0 Mbps
- 0.5% up to 10.0 Mbps
Mediacom Cable in DeKalb County, IL
Mediacom cable coverage
About 14.54%, or 15,290 people, have Mediacom cable internet available to them in the county. The company covers the southeast, central, southwest, east, northwest, west, and south DeKalb County area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of DeKalb County.
Mediacom cable download speeds
Mediacom is one of the fastest when comparing download speeds to all other internet providers in DeKalb County. Versus other cable providers in the area, Mediacom cable is the fastest. There are no different maximum speeds throughout DeKalb County. The fastest plan anyone in DeKalb County can order from Mediacom goes up to 1,000 Mbps, and all DeKalb County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In DeKalb County download speeds tend to be than upload speeds for Mediacom cable. Compared to other ISPs, Mediacom is below average where upload speeds are concerned, and the fastest compared to other DeKalb County cable providers. Mediacom offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in DeKalb County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Spectrum Cable in DeKalb County, IL
Spectrum cable coverage
About 8.24%, or 8,666 people, have Spectrum cable internet available to them in the county. The company covers the north, northeast, and northwest DeKalb County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of DeKalb County.
Spectrum cable download speeds
Spectrum is above average when comparing download speeds to all other internet providers in DeKalb County. Versus other cable providers in the area, Spectrum cable is the slowest. There are no different maximum speeds throughout DeKalb County. The fastest plan anyone in DeKalb County can order from Spectrum goes up to 940 Mbps, and all DeKalb County customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Spectrum cable upload speeds
In DeKalb County download speeds tend to be than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and below average compared to other DeKalb County cable providers. Spectrum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in DeKalb County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
DeKalb County Cable by Area
This information is most helpful to those looking for homes or considering moving to DeKalb County or any of the areas nearby.
How does cable internet in DeKalb County compare to the rest of Illinois?
Cable internet speeds in DeKalb County are comparable versus the average speeds in Illinois: 987 Mbps in Illinois versus 994 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Illinois is 92.70% versus 88.10% in DeKalb County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around DeKalb 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
- Kane County, IL: more cable coverage, faster speeds
- Kendall County, IL: more cable coverage, faster speeds
- Boone County, IL: more cable coverage, faster speeds
- Ogle County, IL: less cable coverage, faster speeds
- McHenry County, IL: more cable coverage, faster speeds
- Lee County, IL: less cable coverage, faster speeds
- Winnebago County, IL: more cable coverage, slower speeds
- DuPage County, IL: more cable coverage, faster speeds
- LaSalle County, IL: less cable coverage, slower speeds
- Will County, IL: more cable coverage, slower speeds
Counties with Similar Populations
- Craighead County, AR: more cable coverage, slower speeds
- Vigo County, IN: more cable coverage, slower speeds
- Fond du Lac County, WI: less cable coverage, slower speeds
- Woodbury County, IA: less cable coverage, slower speeds
- St. Lawrence County, NY: less cable coverage, slower speeds
- Bradley County, TN: more cable coverage, slower speeds
- Madison County, MS: less cable coverage, faster speeds
- Walworth County, WI: less cable coverage, slower speeds
- Cass County, MO: less cable coverage, slower speeds
- Hanover County, VA: less cable coverage, faster speeds