In St. Clair County there are 3 residential Cable providers covering 92.79% of the county. The average home can get speeds up to 942 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 St. Clair County
To avoid wasting your time, providers with less than 1% coverage in St. Clair County are not shown.
St. Clair 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 St. Clair County is cable internet available?
Cable Internet Availability Key
Cable is available in 92.79% of St. Clair County. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in St. Clair County above to see who has service at your home.
How fast is cable internet in St. Clair County?
The map below shows maximum cable internet speeds by area in St. Clair County.
Cable Internet Speed Key
The average St. Clair County home can get up to 942 Mbps on their cable internet plan. The fastest cable download speed in the county is 1,000 Mbps, which 3.80% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 88.99% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in St. Clair County.
Cable internet speeds tend to be faster in the southeast parts of St. Clair County, and slower in the west areas of the county.
Is cable the fastest internet I can get in St. Clair County?
The fastest internet for you may vary based on where in St. Clair County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 14.93% of St. Clair County homes.
- Cable is fastest for 78.56% of the county.
- DSL is fastest for 1.78%.
- Fixed wireless is fastest for 4.72%.
- Satellite internet may be the only option for less than 1% of St. Clair County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in St. Clair County, along with details on where in St. Clair County and at what speeds.
Spectrum Cable in St. Clair County, IL
Spectrum cable coverage
About 89.40%, or 241,440 people, have Spectrum cable internet available to them in the county. The company covers the entire St. Clair County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of St. Clair County.
Spectrum cable download speeds
Spectrum is above average when comparing download speeds to all other internet providers in St. Clair County. Versus other cable providers in the area, Spectrum cable is the slowest. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Spectrum goes up to 940 Mbps, and all St. Clair County customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Spectrum cable upload speeds
In St. Clair 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 one of the slowest compared to other St. Clair County cable providers. Spectrum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in St. Clair County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Sparklight Cable in St. Clair County, IL
Sparklight cable coverage
About 2.14%, or 5,773 people, have Sparklight cable internet available to them in the county. The company covers the southeast, northeast, and southwest St. Clair County area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of St. Clair County.
Sparklight cable download speeds
Sparklight is one of the fastest when comparing download speeds to all other internet providers in St. Clair County. Versus other cable providers in the area, Sparklight cable is one of the fastest. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Sparklight goes up to 1,000 Mbps, and all St. Clair County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Sparklight cable upload speeds
In St. Clair County download speeds tend to be than upload speeds for Sparklight cable. Compared to other ISPs, Sparklight is below average where upload speeds are concerned, and one of the fastest compared to other St. Clair County cable providers. Sparklight offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in St. Clair County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Mediacom Cable in St. Clair County, IL
Mediacom cable coverage
About 1.63%, or 4,406 people, have Mediacom cable internet available to them in the county. The company covers the south and northwest St. Clair 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 St. Clair County.
Mediacom cable download speeds
Mediacom is one of the fastest when comparing download speeds to all other internet providers in St. Clair County. Versus other cable providers in the area, Mediacom cable is one of the fastest. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Mediacom goes up to 1,000 Mbps, and all St. Clair County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In St. Clair 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 one of the fastest compared to other St. Clair County cable providers. Mediacom offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in St. Clair County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
St. Clair County Cable by Area
This information is most helpful to those looking for homes or considering moving to St. Clair County or any of the areas nearby.
How does cable internet in St. Clair County compare to the rest of Illinois?
Cable internet speeds in St. Clair County are comparable versus the average speeds in Illinois: 987 Mbps in Illinois versus 942 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Illinois is 92.70% versus 92.79% in St. Clair County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around St. Clair 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
- St. Louis City, MO: more cable coverage, slower speeds
- Monroe County, IL: less cable coverage, faster speeds
- Madison County, IL: more cable coverage, slower speeds
- St. Louis County, MO: more cable coverage, slower speeds
- Clinton County, IL: less cable coverage, slower speeds
- Jefferson County, MO: less cable coverage, slower speeds
- Randolph County, IL: less cable coverage, faster speeds
- Washington County, IL: less cable coverage, slower speeds
- Bond County, IL: less cable coverage, slower speeds
- St. Charles County, MO: more cable coverage, slower speeds
Counties with Similar Populations
- Madison County, IL: more cable coverage, slower speeds
- San Luis Obispo County, CA: less cable coverage, slower speeds
- Thurston County, WA: more cable coverage, faster speeds
- Webb County, TX: more cable coverage, slower speeds
- Cleveland County, OK: less cable coverage, faster speeds
- New London County, CT: more cable coverage, slower speeds
- Santa Cruz County, CA: more cable coverage, slower speeds
- Merced County, CA: less cable coverage, faster speeds
- Dauphin County, PA: more cable coverage, faster speeds
- Ingham County, MI: less cable coverage, slower speeds