10 Best Internet Providers in Sherman, IL
Find internet availability by address in Sherman, IL
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Sherman ISP Report Card | Business Internet in Sherman
| Sherman ISP Report Card | B | |
| Download Speed for Most Households | 975 Mbps | |
| Number of Internet Service Providers | 10 | |
| Real Sherman Customer Ratings | 3 |
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
Sherman has 10 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Sherman.
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Sherman has 10 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Sherman.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
CASSCOMM
Connection
Customer Rating
Fiber
Frontier
Connection
Customer Rating
DSL
EarthLink
Connection
Customer Rating
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
DSL
Fixed Wireless
Above are the top 4 providers in Sherman, IL for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Sherman ratings may vary and are shown below.
Who is the Best Internet Provider in Sherman, IL?
CASSCOMM is the highest-rated internet provider in Sherman based on 289 Illinois customer reviews, and CASSCOMM has the highest rating nationwide. The provider information above and the information immediately below can help you decide. Compare provider ratings and review counts above. The chart and table below show average customer ratings from customers in Sherman, Illinois, and customers throughout the country.
Top Rated Internet Providers in Sherman
Local, State, and National Ratings for all Sherman Internet Providers
| ISP / Tech Type | Sherman Overall | Illinois Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (2) | (2) | (4) | View Plans | ||
| AT&T | (1) | (47) | (924) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| XFINITY | (0) | (210) | (2164) | View Plans | ||
| Frontier | (0) | (4) | (143) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Nextlink | (0) | (0) | (14) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| Community Fiber Solutions | (0) | (0) | (0) | View Plans |
Based on 289 reviews from Illinois internet customers, CASSCOMM is the best internet service provider for Sherman residents. CASSCOMM was rated at an average of 5.00 out of 5 in our report for overall customer satisfaction. AT&T wins for second-place in Illinois, with 3.00 out of 5 stars and 98.0% coverage in Sherman.
At a national level, based on 4315 national reviews for any of the providers listed above, CASSCOMM is rated higher than any other provider, with a rating of 4.81 out of 5.
Which Providers are Available at my Home in Sherman?
a different provider.

Internet Availability Key
Speeds and coverage vary within the city, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.
Who is the Fastest Internet Provider in Sherman?
According to unbiased feedback from real internet customers in the city, they reported being happiest with speeds provided by CASSCOMM. On the other hand, based on data provided by the internet providers to the FCC, XFINITY from Comcast should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.
Data Reported to FCC by ISPs: Average Maximum Available in Sherman
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| XFINITY from Comcast | 1,200 Mbps | ||
| Nextlink | 1,000 Mbps | ||
| CASSCOMM | 1,000 Mbps | ||
| Rise Broadband | 400 Mbps | ||
| Verizon | 300 Mbps | ||
| Frontier Communications | 115 Mbps | ||
| Community Fiber Solutions (CFS) | 100 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| AT&T | 100 Mbps | ||
| EarthLink | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in Sherman
| ISP / Tech Type | Sherman Speed | Illinois Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (2) | (2) | (4) | View Plans | ||
| AT&T | (1) | (47) | (924) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| XFINITY | (0) | (210) | (2164) | View Plans | ||
| Frontier | (0) | (4) | (143) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| Nextlink | (0) | (0) | (14) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| Community Fiber Solutions | (0) | (0) | (0) | View Plans |
Based on data reported by Sherman ISPs to the FCC, the fastest speeds in the city are available through XFINITY from Comcast. The company offers speeds up to 1,200 Mbps in Sherman. Therefore, the average customer can get up to 1,070 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
Additionally, actual customers in the city rated their satisfaction with internet speed highest with CASSCOMM. This indicates CASSCOMM reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in Sherman?
Illinois customers rate CASSCOMM as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
CASSCOMM received a local rating of 4.50 out of 5, which is higher than the average across all internet providers in the country. AT&T is rated in second place for affordability by the company’s Sherman customers with an average price rating of 3.00 out of 5.
The chart and graph below show how customers in Sherman, Illinois, and the United States rated the affordability of their internet service.
Rated Affordability in Sherman
| ISP / Tech Type | Sherman Affordability | Illinois Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (2) | (2) | (4) | View Plans | ||
| AT&T | (1) | (47) | (924) | View Plans | ||
| Frontier | (0) | (4) | (143) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| XFINITY | (0) | (210) | (2164) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| Nextlink | (0) | (0) | (14) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| Community Fiber Solutions | (0) | (0) | (0) | View Plans |
Sherman Internet Health Assessment
ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the city and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for Sherman below, including the metrics used and how Sherman compares to the rest of Illinois and nation.
| Metric
(hover for details)
|
Sherman | Illinois | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Sherman that have a Fiber internet connection available to their home. | 93.46% | 44.05% | 67.25% | ||
| Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area. | 975 Mbps | 2,791 Mbps | 3,293 Mbps | ||
| Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for Sherman. | 7.2 | 7.1 | 6.8 |
| Average Household SizeA larger household size in a city indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.7 | 2.6 | 2.7 | ||
| Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city. | 17% | 14% | 14% | ||
| Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households. | 98% | 95% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 96% | 90% | 90% | ||
| Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households. | 88% | 74% | 75% | ||
| Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service. | 89% | 75% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Sherman ISP Report Card & Digital Connectivity Index
The ISP Report Card in Sherman is B, which is much better than other cities. The local demand for broadband internet connectivity in Sherman is high with a score of 87 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Sherman have done a great job meeting the needs of its residents.
The Sherman ISP Report Card evaluates the city on availability and speed metrics compared to other cities in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a city needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.
96% of Sherman households have an internet connection despite having 99.25% availability. 88% of households have fiber, cable, or DSL, 8% have satellite, 0% are still on dial-up, and 2% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.
As you can see in the table above, while 88% of households have a broadband connection such as fiber, cable or DSL available to their home, 89% subscribe to it. A very large amount of Sherman residents are taking advantage of the available internet infrastructure.
For more details, please visit our ISP Report Card and Digital Connectivity Index pages.
How do Neighboring Cities Compare to Sherman?
- ISP Report Card: D+
- Digital Connectivity Index: 33 / 100
- ISP Report Card: C
- Digital Connectivity Index: 71 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 57 / 100
- ISP Report Card: B
- Digital Connectivity Index: 46 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 52 / 100
- ISP Report Card: B
- Digital Connectivity Index: 53 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 64 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 51 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 56 / 100
How Much Speed does a Sherman Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Sherman is 2.7, which is larger than the Illinois average of 2.6 and larger than the national average of 2.7. Sherman's average household income is $143,986 which is much higher than the Illinois average of $93,298 and much higher than the national average of $90,606. Homes with more people living in them and with higher incomes tend to indicate more devices being used more often.
Sherman also has 20% of its population enrolled in school between the 6th grade and college level, this is higher than the Illinois average of 16%. Additionally, 17% of residents work from home, which is higher than the 14% of residents in Illinois who work from home. This and other factors you can see above show us that the community of Sherman has a very high need for internet connectivity and speeds.
Compared to the rest of the country, Sherman households are much more technology-engaged. 98% of households have some sort of computing device, 95% have desktops or laptops in the home, and 96% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Sherman?
CASSCOMM Fiber in Sherman, IL
CASSCOMM offers Fiber service to 93.5% of Sherman homes. Across the city, CASSCOMM Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
XFINITY Fiber in Sherman, IL
XFINITY from Comcast offers Fiber service to 9.9% of Sherman homes. Across the city, XFINITY Fiber is the only type of service available from the company, with speeds up to 1,059 Mbps, with speeds from 1,000 Mpbs up to 1,200 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 1,000, with an average of 716 Mbps throughout the city.
Which Cable Internet Providers are Available in Sherman?
According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in Sherman, IL.
Which DSL Internet Providers are Available in Sherman?
Frontier DSL in Sherman, IL
Frontier Communications offers DSL service to 78.9% of Sherman homes. Across the city, Frontier DSL is the only type of service available from the company, with speeds up to 21 Mbps, with speeds from 10 Mpbs up to 115 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 7.0, with an average of 1.5 Mbps throughout the city.
EarthLink DSL in Sherman, IL
EarthLink offers DSL service to 19.9% of Sherman homes. Across the city, EarthLink DSL has speeds up to 81 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 18 Mbps throughout the city. EarthLink DSL is rated the same as other types of internet service available in Sherman from EarthLink in terms of customer satisfaction.
AT&T DSL in Sherman, IL
AT&T offers DSL service to 19.9% of Sherman homes. Across the city, AT&T DSL has speeds up to 81 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 18 Mbps throughout the city. AT&T DSL is rated about the same as other types of internet service available in Sherman from AT&T in terms of customer satisfaction.
Which Fixed Wireless and LTE Internet Providers are Available in Sherman?
Rise Broadband Fixed Wireless in Sherman, IL
Rise Broadband offers Fixed Wireless service to 99.2% of Sherman homes. Across the city, Rise Broadband Fixed Wireless is the only type of service available from the company, with speeds up to 378 Mbps, with speeds from 10 Mpbs up to 400 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 80, with an average of 76 Mbps throughout the city.
EarthLink Fixed Wireless in Sherman, IL
EarthLink offers Fixed Wireless service to 97.7% of Sherman homes. Across the city, EarthLink Fixed Wireless has speeds up to 73 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 14 Mbps throughout the city.
AT&T Fixed Wireless in Sherman, IL
AT&T offers Fixed Wireless service to 97.7% of Sherman homes. Across the city, AT&T Fixed Wireless has speeds up to 73 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 14 Mbps throughout the city.
T-Mobile Home Internet Fixed Wireless in Sherman, IL
T-Mobile Home Internet offers Fixed Wireless service to 97.1% of Sherman homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 74 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 14 Mbps throughout the city.
Nextlink Fixed Wireless in Sherman, IL
Nextlink offers Fixed Wireless service to 84.0% of Sherman homes. Across the city, Nextlink Fixed Wireless is the only type of service available from the company, with speeds up to 846 Mbps, with speeds from 300 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 100 and as high as 500, with an average of 414 Mbps throughout the city.
Verizon Fixed Wireless in Sherman, IL
Verizon offers Fixed Wireless service to 11.7% of Sherman homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Community Fiber Solutions Fixed Wireless in Sherman, IL
Community Fiber Solutions (CFS) offers Fixed Wireless service to 1.3% of Sherman homes. Across the city, Community Fiber Solutions Fixed Wireless is the only type of service available from the company, with speeds up to 100 Mbps
Which ISP Should You Choose in Sherman?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in Sherman is CASSCOMM.
- The fastest internet provider should be XFINITY from Comcast. Considering speed for the money and reliability in speeds, CASSCOMM may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Sherman is CASSCOMM.
- Viasat, Rise Broadband, and HughesNet has the broadest coverage in Sherman, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.
How does Sherman compare to other cities with a similar population?
To see how Sherman stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to Sherman's B ISP Report Card and 87 / 100 Digital Connectivity Index.
- ISP Report Card: B-
- Digital Connectivity Index: 65 / 100
- ISP Report Card: C
- Digital Connectivity Index: 22 / 100
- ISP Report Card: A
- Digital Connectivity Index: 54 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 59 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 68 / 100
- ISP Report Card: B
- Digital Connectivity Index: 45 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 66 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 26 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 57 / 100
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