In Sherman there are 2 residential Fiber providers covering 93.46% of the city. The average home can get speeds up to 1,006 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 Sherman, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Sherman, IL please click below.
Fiber Internet Service Providers in Sherman
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 Sherman are not shown.
Sherman 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 Sherman is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 93.46% of Sherman. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is CASSCOMM. Call one of the companies with service in Sherman above to see who has service at your home.
How fast is fiber internet in Sherman?
The map below shows maximum fiber internet speeds by area in Sherman.
Fiber Internet Speed Key
The average Sherman home can get up to 1,006 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 1,200 Mbps, which 2.92% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 90.53% 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 Sherman.
Fiber internet speeds tend to be faster in the west parts of Sherman, and slower in the southwest areas of the city.
Is fiber the fastest internet I can get in Sherman?
The fastest internet for you may vary based on where in Sherman you live. In general, fixed wireless competes most often with fiber in the city.
- Fiber is the fastest internet type for 93.22% of Sherman homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 5.20%.
- Satellite internet may be the only option for less than 1% of Sherman homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Sherman, along with details on where in Sherman and at what speeds.
CASSCOMM Fiber in Sherman, IL
CASSCOMM fiber coverage
About 93.46%, or 5,212 people, have CASSCOMM fiber internet available to them in the city. The company covers the entire Sherman area. CASSCOMM is a large internet service provider internet service providers in the US, with internet service available in most of Sherman.
CASSCOMM fiber download speeds
CASSCOMM is above average when comparing download speeds to all other internet providers in Sherman. Versus other fiber providers in the area, CASSCOMM fiber is the slowest. There are no different maximum speeds throughout Sherman. The fastest plan anyone in Sherman can order from CASSCOMM goes up to 1,000 Mbps, and all Sherman customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
CASSCOMM fiber upload speeds
In Sherman download speeds tend to be equal to than upload speeds for CASSCOMM fiber. Compared to other ISPs, CASSCOMM is the fastest where upload speeds are concerned, and the fastest compared to other Sherman fiber providers. CASSCOMM offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sherman is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
XFINITY from Comcast Fiber in Sherman, IL
XFINITY fiber coverage
About 9.93%, or 554 people, have XFINITY fiber internet available to them in the city. The company covers the west, southwest, north, and central Sherman area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Sherman.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Sherman. Versus other fiber providers in the area, XFINITY fiber is the fastest. There are 2 different maximum speeds throughout Sherman. The fastest plan anyone in Sherman can order from XFINITY goes up to 1,200 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Sherman customers is up to 1,059 Mbps.
Show all download speeds
- 29.4% up to 1,200.0 Mbps
- 70.6% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In Sherman download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is above average where upload speeds are concerned, and the slowest compared to other Sherman fiber providers. XFINITY offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Sherman is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 716 Mbps.
Show all upload speeds
- 70.6% up to 1,000.0 Mbps
- 29.4% up to 35.0 Mbps
Sherman Fiber by Area
This information is most helpful to those looking for homes or considering moving to Sherman or any of the areas nearby.
How does fiber internet in Sherman compare to the rest of Illinois?
Fiber internet speeds in Sherman are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 1,006 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Illinois is 0.00% versus 93.46% in Sherman.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Sherman 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Spaulding, IL: less fiber coverage, faster speeds
- Riverton, IL: less fiber coverage, faster speeds
- Williamsville, IL: less fiber coverage, faster speeds
- Archer, IL: less fiber coverage, faster speeds
- Cantrall, IL: less fiber coverage, slower speeds
- Clear Lake, IL: less fiber coverage, faster speeds
- Springfield, IL: less fiber coverage, faster speeds
- Athens, IL: less fiber coverage, slower speeds
- Leland Grove, IL: more fiber coverage, faster speeds
- Jerome, IL: less fiber coverage, faster speeds
Cities with Similar Populations
- French Camp, CA: less fiber coverage, slower speeds
- Franklin, GA: less fiber coverage, slower speeds
- Franklin, NJ: more fiber coverage, faster speeds
- Franklinville, NC: less fiber coverage, faster speeds
- Franksville, WI: less fiber coverage, slower speeds
- Frazee, MN: less fiber coverage, faster speeds
- Fredericksburg, OH: less fiber coverage, slower speeds
- Fredonia, WI: less fiber coverage, slower speeds
- Freeburg, IL: less fiber coverage, faster speeds
- Freedom, PA: less fiber coverage, faster speeds