In St. Clair County there are 9 residential internet providers covering 99.82% of the county. The average home can get speeds up to 839 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.

 

9 Internet Service Providers in St. Clair County

XFINITY from Comcast | Cable

Availability:

81.62%

Avg. Speed:

1,000 Mbps

AT&T | DSL

Availability:

68.64%

Avg. Speed:

44 Mbps

Earthlink | DSL

Availability:

27.13%

Avg. Speed:

52 Mbps

AT&T | Fiber

Availability:

4.87%

Avg. Speed:

1,000 Mbps

Spectrum | Cable

Availability:

1.11%

Avg. Speed:

940 Mbps

T-Mobile Home Internet | 4G & 5G Home Internet

Availability:

70.25%

Avg. Speed:

25 Mbps

Air Advantage | Fixed Wireless

Availability:

43.31%

Avg. Speed:

20 Mbps

iWarp | Fixed Wireless

Availability:

18.34%

Avg. Speed:

1.5 Mbps

AT&T | Fixed Wireless

Availability:

1.48%

Avg. Speed:

10 Mbps

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

Availability:

100%

Avg. Speed:

N/A: Call to bundle.

 

DIRECTV Satellite TV

Availability:

100%

Avg. Speed:

N/A

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

Availability:

100%

Avg. Speed:

15 Mbps

(High latency)

 

 

 

Where in St. Clair County is internet available?

St. Clair County, MI map of internet availability

Internet Availability Key

0%
50%
100%

 

Internet service is available in 99.82% of St. Clair 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 XFINITY. Call one of the companies with service in St. Clair County above to see who has service at your home, or click the technology to see where it can be found in St. Clair County.

 

How fast are internet speeds in St. Clair County?

The map below shows maximum internet speeds by area in St. Clair County.

St. Clair County, MI map of local internet speeds

Internet Speed Key

1 Mbps
50 Mbps
1000 Mbps+

 

The average St. Clair County home can get up to 839 Mbps on their internet plan. For most people, the fastest download speed in the county is 1,000 Mbps, which 81.66% 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 0.77 Mbps. See the internet provider details below for info about their speed and coverage in St. Clair County.

Internet speeds tend to be faster in the southeast parts of St. Clair County, and slower in the west areas of the county.

 

What type of internet should I choose in St. Clair County?

The fastest internet for you may vary based on where in St. Clair County you live. If speed is your main concern, cable will be the fastest internet in the county.

  • Fiber is the fastest internet type for 5.78% of St. Clair County homes.
  • Cable is fastest for 77.25% of the county.
  • DSL is fastest for 9.77%.
  • Fixed wireless is fastest for 7.01%.
  • Satellite internet may be the only option for less than 1% of St. Clair County homes.

 

Internet Market Health in St. Clair County

St. Clair County, MI map of internet competition

Internet Competition Key

4+ options
2 options
No alternatives

The map shows how competitive the St. Clair 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 St. Clair County based on what connections the average home has availabile:

  • Average number of internet service providers to a home: 3.2 (healthy)
  • Average types of service (fiber, cable, DSL, etc): 2.7 (healthy)
  • Average providers with broadband (25 Mbps+) speeds: 2.1 (unhealthy)

Overall, competition is healthy.

St. Clair County internet customers have the ability to buy internet service from 1 to 7 different providers, depending on where they live. For different types of service, St. Clair County homes have between 1 and 4 options. The type(s) of service available are dsl, fixed wireless, cable, 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. St. Clair County internet customers who want faster speeds have between 0 and 4 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, St. Clair County is doing better than most.

 

TV & Internet 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 81.62%, or 133,079 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 one of the fastest 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 no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from XFINITY goes up to 1,000 Mbps, and all St. Clair County customers can get this speed.

Show all download speeds

The following maximum speeds are marketed to XFINITY from Comcast customers in St. Clair County. Cheaper plans with slower speeds may be available.

  • 100.0% up to 1,000.0 Mbps

 

XFINITY from Comcast cable upload speeds

In St. Clair 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 one of the fastest compared to other St. Clair County cable providers. XFINITY 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

XFINITY's St. Clair County cable customers can expect the following upload speeds:

  • 100.0% up to 35.0 Mbps

 

 

 

AT&T DSL in St. Clair County, MI

AT&T DSL coverage

About 68.64%, or 111,903 people, have AT&T DSL internet available to them in the county. The company covers the east, south, northeast, north, southeast, central, and southwest St. Clair County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of St. Clair County.

 

AT&T DSL download speeds

AT&T is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other DSL providers in the area, AT&T DSL is the slowest. There are 12 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 0.77 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 44 Mbps.

Show all download speeds

The following maximum speeds are marketed to AT&T customers in St. Clair County. Cheaper plans with slower speeds may be available.

  • 26.6% up to 100.0 Mbps
  • 6.5% up to 75.0 Mbps
  • 9.3% up to 50.0 Mbps
  • 10.0% up to 25.0 Mbps
  • 19.6% up to 18.0 Mbps
  • 8.1% up to 12.0 Mbps
  • 3.6% up to 10.0 Mbps
  • 9.5% up to 6.0 Mbps
  • 0.7% up to 5.0 Mbps
  • 3.1% up to 3.0 Mbps
  • 1.5% up to 1.5 Mbps
  • 1.6% up to 0.8 Mbps

 

AT&T DSL upload speeds

In St. Clair County download speeds tend to be than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and the fastest compared to other St. Clair County DSL providers. AT&T offers 9 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 20 Mbps. Some customers have slower plan choices, which only go up to 0.26 Mbps. On average, AT&T customers can get speeds up to 8.5 Mbps.

Show all upload speeds

AT&T's St. Clair County DSL customers can expect the following upload speeds:

  • 33.1% up to 20.0 Mbps
  • 9.3% up to 10.0 Mbps
  • 4.3% up to 5.0 Mbps
  • 5.7% up to 2.0 Mbps
  • 27.7% up to 1.5 Mbps
  • 14.6% up to 1.0 Mbps
  • 2.9% up to 0.5 Mbps
  • 2.3% up to 0.4 Mbps
  • 0.1% up to 0.3 Mbps

 

 

 

Earthlink DSL in St. Clair County, MI

Earthlink DSL coverage

About 27.13%, or 44,237 people, have Earthlink DSL internet available to them in the county. The company covers the northwest, west, central, north, southwest, and south St. Clair County area. Earthlink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of St. Clair County.

 

Earthlink DSL download speeds

Earthlink is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other DSL providers in the area, Earthlink DSL is the fastest. There are 10 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Earthlink goes up to 115 Mbps, the slowest package only goes up to 1.0 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 52 Mbps.

Show all download speeds

The following maximum speeds are marketed to Earthlink customers in St. Clair County. Cheaper plans with slower speeds may be available.

  • 27.0% up to 115.0 Mbps
  • 7.3% up to 90.0 Mbps
  • 2.1% up to 70.0 Mbps
  • 6.6% up to 45.0 Mbps
  • 16.7% up to 25.0 Mbps
  • 23.1% up to 18.0 Mbps
  • 10.6% up to 12.0 Mbps
  • 2.0% up to 9.0 Mbps
  • 1.7% up to 3.0 Mbps
  • 2.9% up to 1.0 Mbps

 

Earthlink DSL upload speeds

In St. Clair County download speeds tend to be than upload speeds for Earthlink DSL. Compared to other ISPs, Earthlink is below average where upload speeds are concerned, and the slowest compared to other St. Clair County DSL providers. Earthlink offers 7 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 7.0 Mbps. Some customers have slower plan choices, which only go up to 0.13 Mbps. On average, Earthlink customers can get speeds up to 3.2 Mbps.

Show all upload speeds

Earthlink's St. Clair County DSL customers can expect the following upload speeds:

  • 27.0% up to 7.0 Mbps
  • 7.3% up to 5.0 Mbps
  • 8.7% up to 3.0 Mbps
  • 16.7% up to 2.0 Mbps
  • 35.7% up to 1.0 Mbps
  • 1.7% up to 0.4 Mbps
  • 2.9% up to 0.1 Mbps

 

 

 

AT&T Fiber in St. Clair County, MI

AT&T fiber coverage

About 4.87%, or 7,941 people, have AT&T fiber internet available to them in the county. The company covers the northeast, east, north, and central St. Clair County area. AT&T 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.

 

AT&T fiber download speeds

AT&T is one of the fastest when comparing download speeds to all other internet providers in St. Clair County. Versus other fiber providers in the area, AT&T fiber 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 AT&T goes up to 1,000 Mbps, and all St. Clair County customers can get this speed.

Show all download speeds

The following maximum speeds are marketed to AT&T customers in St. Clair County. Cheaper plans with slower speeds may be available.

  • 100.0% up to 1,000.0 Mbps

 

AT&T fiber upload speeds

In St. Clair County download speeds tend to be than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is one of the fastest where upload speeds are concerned, and one of the fastest compared to other St. Clair County fiber providers. AT&T 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 1,000 Mbps, which is available to everyone covered.

Show all upload speeds

AT&T's St. Clair County fiber customers can expect the following upload speeds:

  • 100.0% up to 1,000.0 Mbps

 

 

 

Spectrum Cable in St. Clair County, MI

Spectrum cable coverage

About 1.11%, or 1,810 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 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

The following maximum speeds are marketed to Spectrum customers in St. Clair County. Cheaper plans with slower speeds may be available.

  • 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 fastest 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

Spectrum's St. Clair County cable customers can expect the following upload speeds:

  • 100.0% up to 35.0 Mbps

 

 

 

T-Mobile Home Internet in St. Clair County, MI

T-Mobile Home Internet fixed wireless coverage

About 70.25%, or 114,543 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire St. Clair 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 much of St. Clair County.

 

T-Mobile Home Internet fixed wireless download speeds

T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from T-Mobile Home Internet goes up to 25 Mbps, and all St. Clair County customers can get this speed.

Show all download speeds

The following maximum speeds are marketed to T-Mobile Home Internet customers in St. Clair County. Cheaper plans with slower speeds may be available.

  • 100.0% up to 25.0 Mbps

 

T-Mobile Home Internet fixed wireless upload speeds

In St. Clair 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 below average where upload speeds are concerned, and above average compared to other St. Clair 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 St. Clair County is up to 3.0 Mbps, which is available to everyone covered.

Show all upload speeds

T-Mobile Home Internet's St. Clair County fixed wireless customers can expect the following upload speeds:

  • 100.0% up to 3.0 Mbps

 

 

 

Air Advantage Fixed Wireless in St. Clair County, MI

Air Advantage fixed wireless coverage

About 43.31%, or 70,612 people, have Air Advantage fixed wireless internet available to them in the county. The company covers the north, northwest, northeast, central, west, east, southwest, and south St. Clair County area. Air Advantage is a large internet service provider internet service providers in the US, with internet service available in some of St. Clair County.

 

Air Advantage fixed wireless download speeds

Air Advantage is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other fixed wireless providers in the area, Air Advantage fixed wireless is above average. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Air Advantage goes up to 20 Mbps, and all St. Clair County customers can get this speed.

Show all download speeds

The following maximum speeds are marketed to Air Advantage customers in St. Clair County. Cheaper plans with slower speeds may be available.

  • 100.0% up to 20.0 Mbps

 

Air Advantage fixed wireless upload speeds

In St. Clair County download speeds tend to be than upload speeds for Air Advantage fixed wireless. Compared to other ISPs, Air Advantage is below average where upload speeds are concerned, and the fastest compared to other St. Clair County fixed wireless providers. Air Advantage 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 5.0 Mbps, which is available to everyone covered.

Show all upload speeds

Air Advantage's St. Clair County fixed wireless customers can expect the following upload speeds:

  • 100.0% up to 5.0 Mbps

 

 

 

iWarp Fixed Wireless in St. Clair County, MI

iWarp fixed wireless coverage

About 18.34%, or 29,905 people, have iWarp fixed wireless internet available to them in the county. The company covers the north, northeast, east, northwest, and central St. Clair County area. iWarp is a large internet service provider internet service providers in the US, with internet service available in a small portion of St. Clair County.

 

iWarp fixed wireless download speeds

iWarp is the slowest when comparing download speeds to all other internet providers in St. Clair County. Versus other fixed wireless providers in the area, iWarp fixed wireless is the slowest. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from iWarp goes up to 1.5 Mbps, and all St. Clair County customers can get this speed.

Show all download speeds

The following maximum speeds are marketed to iWarp customers in St. Clair County. Cheaper plans with slower speeds may be available.

  • 100.0% up to 1.5 Mbps

 

iWarp fixed wireless upload speeds

In St. Clair County download speeds tend to be than upload speeds for iWarp fixed wireless. Compared to other ISPs, iWarp is the slowest where upload speeds are concerned, and the slowest compared to other St. Clair County fixed wireless providers. iWarp 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 0.50 Mbps, which is available to everyone covered.

Show all upload speeds

iWarp's St. Clair County fixed wireless customers can expect the following upload speeds:

  • 100.0% up to 0.5 Mbps

 

 

 

AT&T Fixed Wireless in St. Clair County, MI

AT&T fixed wireless coverage

About 1.48%, or 2,405 people, have AT&T fixed wireless internet available to them in the county. The company covers the south, north, west, central, and southwest St. Clair County area. AT&T 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.

 

AT&T fixed wireless download speeds

AT&T is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from AT&T goes up to 10 Mbps, and all St. Clair County customers can get this speed.

Show all download speeds

The following maximum speeds are marketed to AT&T customers in St. Clair County. Cheaper plans with slower speeds may be available.

  • 100.0% up to 10.0 Mbps

 

AT&T fixed wireless upload speeds

In St. Clair County download speeds tend to be than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and below average compared to other St. Clair County fixed wireless providers. AT&T 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 1.0 Mbps, which is available to everyone covered.

Show all upload speeds

AT&T's St. Clair County fixed wireless customers can expect the following upload speeds:

  • 100.0% up to 1.0 Mbps

 

 

 

 

St. Clair County Internet 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 internet in St. Clair County compare to the rest of Michigan?

Internet speeds in St. Clair County are comparable versus the average speeds in Michigan: 893 Mbps in Michigan versus 839 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in Michigan is 99.43% versus 99.82% in St. Clair County.

What zip codes have widespread internet?

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.

Zip Code
Internet Coverage
100.00%
100.00%
99.80%
97.99%
100.00%
Zip Code
Internet Coverage
100.00%
100.00%
99.48%
99.59%
0.00%

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

Counties with Similar Populations