In McHenry County there are 5 residential Fiber providers covering 31.60% of the county. The average home can get speeds up to 6,828 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 Fiber internet providers in McHenry County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in McHenry County, IL please click below.
McHenry County, IL Availability Maps
Fiber Internet Service Providers in McHenry 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 McHenry County are not shown.
McHenry 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 McHenry County is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 31.60% of McHenry County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is i3 Broadband. Call one of the companies with service in McHenry County above to see who has service at your home.
How fast is fiber internet in McHenry County?
The map below shows maximum fiber internet speeds by area in McHenry County.

Fiber Internet Speed Key
The average McHenry County home can get up to 6,828 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 8,000 Mbps, which 22.20% 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 300 Mbps. See the internet provider details below for info about their speed and coverage in McHenry County.
Fiber internet speeds tend to be faster in the south parts of McHenry County, and slower in the east areas of the county.
Is fiber the fastest internet I can get in McHenry County?
The fastest internet for you may vary based on where in McHenry County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 28.62% of McHenry County homes.
- Cable is fastest for 67.93% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 3.19%.
- Satellite internet may be the only option for less than 1% of McHenry County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in McHenry County, along with details on where in McHenry County and at what speeds.
i3 Broadband Fiber in McHenry County, IL

i3 Broadband fiber coverage
About 19.28%, or 59,805 people, have i3 Broadband fiber internet available to them in the county. The company covers the southwest, south, west, central, north, northwest, northeast, and east McHenry County area. i3 Broadband is a large internet service provider internet service providers in the US, with internet service available in a small portion of McHenry County.
i3 Broadband fiber download speeds
i3 Broadband is one of the fastest when comparing download speeds to all other internet providers in McHenry County. Versus other fiber providers in the area, i3 Broadband fiber is one of the fastest. There are no different maximum speeds throughout McHenry County. The fastest plan anyone in McHenry County can order from i3 Broadband goes up to 8,000 Mbps, and all McHenry County customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
i3 Broadband fiber upload speeds
In McHenry County download speeds tend to be equal to than upload speeds for i3 Broadband fiber. Compared to other ISPs, i3 Broadband is one of the fastest where upload speeds are concerned, and one of the fastest compared to other McHenry County fiber providers. i3 Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in McHenry County is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
EarthLink Fiber in McHenry County, IL

EarthLink fiber coverage
About 8.80%, or 27,310 people, have EarthLink fiber internet available to them in the county. The company covers the entire McHenry County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of McHenry County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in McHenry County. Versus other fiber providers in the area, EarthLink fiber is below average. There are 2 different maximum speeds throughout McHenry County. The fastest plan anyone in McHenry County can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for McHenry County customers is up to 3,099 Mbps.
Show all download speeds
- 52.5% up to 5,000.0 Mbps
- 47.5% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In McHenry County download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and below average compared to other McHenry County fiber providers. EarthLink 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 McHenry County is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 3,099 Mbps.
Show all upload speeds
- 52.5% up to 5,000.0 Mbps
- 47.5% up to 1,000.0 Mbps
AT&T Fiber in McHenry County, IL

AT&T fiber coverage
About 8.80%, or 27,310 people, have AT&T fiber internet available to them in the county. The company covers the entire McHenry 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 McHenry County.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in McHenry County. Versus other fiber providers in the area, AT&T fiber is below average. There are 2 different maximum speeds throughout McHenry County. The fastest plan anyone in McHenry County can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for McHenry County customers is up to 3,099 Mbps.
Show all download speeds
- 52.5% up to 5,000.0 Mbps
- 47.5% up to 1,000.0 Mbps
AT&T fiber upload speeds
In McHenry County download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and below average compared to other McHenry County fiber providers. AT&T 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 McHenry County is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 3,099 Mbps.
Show all upload speeds
- 52.5% up to 5,000.0 Mbps
- 47.5% up to 1,000.0 Mbps
SURF Internet Fiber in McHenry County, IL

Surf fiber coverage
About 2.93%, or 9,081 people, have Surf fiber internet available to them in the county. The company covers the northwest McHenry County area. Surf is a large internet service provider internet service providers in the US, with internet service available in a very small piece of McHenry County.
SURF Internet fiber download speeds
Surf is one of the fastest when comparing download speeds to all other internet providers in McHenry County. Versus other fiber providers in the area, Surf fiber is one of the fastest. There are no different maximum speeds throughout McHenry County. The fastest plan anyone in McHenry County can order from Surf goes up to 8,000 Mbps, and all McHenry County customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
SURF Internet fiber upload speeds
In McHenry County download speeds tend to be equal to than upload speeds for Surf fiber. Compared to other ISPs, Surf is one of the fastest where upload speeds are concerned, and one of the fastest compared to other McHenry County fiber providers. Surf offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in McHenry County is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Frontier Communications Fiber in McHenry County, IL

Frontier fiber coverage
About 2.56%, or 7,944 people, have Frontier fiber internet available to them in the county. The company covers the north, northwest, and northeast McHenry County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of McHenry County.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in McHenry County. Versus other fiber providers in the area, Frontier fiber is above average. There are no different maximum speeds throughout McHenry County. The fastest plan anyone in McHenry County can order from Frontier goes up to 7,000 Mbps, and all McHenry County customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Frontier Communications fiber upload speeds
In McHenry County download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is above average where upload speeds are concerned, and above average compared to other McHenry County fiber providers. Frontier offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in McHenry County is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
McHenry County Fiber by Area
This information is most helpful to those looking for homes or considering moving to McHenry County or any of the areas nearby.
How does fiber internet in McHenry County compare to the rest of Illinois?
Fiber internet speeds in McHenry County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 6,828 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Illinois is 0.00% versus 31.60% in McHenry County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around McHenry County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber 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
- Lake County, IL: less fiber coverage, slower speeds
- Boone County, IL: more fiber coverage, faster speeds
- Winnebago County, IL: more fiber coverage, slower speeds
- Stephenson County, IL: less fiber coverage, slower speeds
- Jackson County, IA: more fiber coverage, slower speeds
- Van Buren County, MI: more fiber coverage, slower speeds
- Kalamazoo County, MI: more fiber coverage, slower speeds
- Jones County, IA: more fiber coverage, slower speeds
- Calhoun County, MI: more fiber coverage, slower speeds
- Jackson County, MI: less fiber coverage, slower speeds
Counties with Similar Populations
- York County, ME: more fiber coverage, slower speeds
- Yolo County, CA: more fiber coverage, slower speeds
- Yavapai County, AZ: less fiber coverage, slower speeds
- Arlington County, VA: more fiber coverage, slower speeds
- Baldwin County, AL: more fiber coverage, slower speeds
- Barnstable County, MA: less fiber coverage, faster speeds
- Berkeley County, SC: more fiber coverage, slower speeds
- Whatcom County, WA: more fiber coverage, slower speeds
- Okaloosa County, FL: more fiber coverage, slower speeds
- Montgomery County, TN: more fiber coverage, slower speeds


