In St. Clair County there are 2 residential Cable providers covering 84.66% of the county. The average home can get speeds up to 1,395 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.
This page contains all Cable internet providers in St. Clair County, MI.
To see availability maps for all providers including fiber, cable, DSL, and more in St. Clair County, MI please click below.
St. Clair County, MI Availability Maps
Cable Internet Service Providers in St. Clair County
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
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.
Viasat Satellite Internet
Where in St. Clair County is cable internet available?
Cable Internet Availability Key
Cable is available in 84.66% 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 XFINITY. 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 1,395 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which 20.82% 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 1,000 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 east 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 18.54% of St. Clair County homes.
- Cable is fastest for 72.28% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 8.22%.
- 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.
XFINITY from Comcast Cable in St. Clair County, MI
XFINITY cable coverage
About 83.73%, or 134,283 people, have XFINITY cable internet available to them in the county. The company covers the entire St. Clair County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in much of St. Clair County.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in St. Clair County. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 1,399 Mbps.
Show all download speeds
- 24.9% up to 2,000.0 Mbps
- 75.1% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In St. Clair County download speeds tend to be faster than 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 St. Clair 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 St. Clair County is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 88 Mbps.
Show all upload speeds
- 24.9% up to 250.0 Mbps
- 75.1% up to 35.0 Mbps
Spectrum Cable in St. Clair County, MI
Spectrum cable coverage
About 1.10%, or 1,767 people, have Spectrum cable internet available to them in the county. The company covers the west St. Clair 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 St. Clair County.
Spectrum cable download speeds
Spectrum is below 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 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
Spectrum cable upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and 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
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 Michigan?
Cable internet speeds in St. Clair County are much faster versus the average speeds in Michigan: 0.00 Mbps in Michigan versus 1,395 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Michigan is 0.00% versus 84.66% 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
- Lapeer County, MI: less cable coverage, slower speeds
- Genesee County, MI: more cable coverage, faster speeds
- Shiawassee County, MI: less cable coverage, slower speeds
- Clinton County, MI: less cable coverage, slower speeds
- Ionia County, MI: less cable coverage, slower speeds
- Kent County, MI: more cable coverage, faster speeds
- Ottawa County, MI: more cable coverage, slower speeds
- Erie County, NY: more cable coverage, slower speeds
- Genesee County, NY: more cable coverage, slower speeds
- Ontario County, NY: more cable coverage, slower speeds
Counties with Similar Populations
- Charles County, MD: more cable coverage, faster speeds
- Paulding County, GA: more cable coverage, faster speeds
- Davidson County, NC: more cable coverage, slower speeds
- Pueblo County, CO: less cable coverage, slower speeds
- Chittenden County, VT: more cable coverage, faster speeds
- Beaver County, PA: more cable coverage, faster speeds
- Merrimack County, NH: more cable coverage, faster speeds
- Mesa County, CO: more cable coverage, slower speeds
- Middlesex County, CT: more cable coverage, faster speeds
- Midland County, TX: more cable coverage, slower speeds