11 Best Internet Providers in Clinton County, IL
Find internet availability by address in Clinton County, IL
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Clinton County ISP Report Card | Business Internet in Clinton County
| Clinton County ISP Report Card | A- | |
| Download Speed for Most Households | 6,970 Mbps | |
| Number of Internet Service Providers | 11 | |
| Real Clinton County 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.
Clinton County has 11 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, Fixed Wireless, and DSL internet are available in the county. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Clinton County.
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Clinton County has 11 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, Fixed Wireless, and DSL internet are available in the county. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Clinton County.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
Sparklight
Connection
Customer Rating
Fiber
Spectrum
Connection
Customer Rating
Cable
EarthLink
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
Above are the top 4 providers in Clinton County, IL for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your county.
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 Clinton County ratings may vary and are shown below.
Who is the Best Internet Provider in Clinton County, IL?
AT&T is the best internet provider in Clinton County based on Illinois customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, AT&T had the best reviews at the local, state, and national levels versus all available providers in Clinton County, making it a solid recommendation among providers with reviews. AT&T is an option for 54.04% of the county.
or call 1-877-610-1219
The chart and table below show average customer ratings from customers in Clinton County, Illinois, and customers throughout the country.
Top Rated Internet Providers in Clinton County
Local, State, and National Ratings for all Clinton County Internet Providers
| ISP / Tech Type | Clinton County Overall | Illinois Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| AT&T | (1) | (47) | (924) | View Plans | ||
| Wisper Internet | (1) | (1) | (2) | View Plans | ||
| Spectrum | (1) | (13) | (1738) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| Sparklight | (0) | (5) | (73) | View Plans | ||
| Frontier | (0) | (4) | (143) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| GigFire | (0) | (0) | (1) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| Netwitz Internet | (0) | (0) | (0) | View Plans | ||
| Allpoint Networx | (0) | (0) | (0) | View Plans |
Based on 95 reviews from Illinois internet customers, AT&T is the best internet service provider for Clinton County residents. AT&T was rated at an average of 3.62 out of 5 in our report for overall customer satisfaction. Wisper Internet wins for second-place in Illinois, with 2.00 out of 5 stars and 94.0% coverage in Clinton County.
At a national level, based on 3929 national reviews for any of the providers listed above, GigFire is rated higher than any other provider, with a rating of 3.00 out of 5.
Which Providers are Available at my Home in Clinton County?
a different provider.

Internet Availability Key
Speeds and coverage vary within the county, 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 Clinton County?
According to unbiased feedback from real internet customers in the county, they reported being happiest with speeds provided by AT&T. On the other hand, based on data provided by the internet providers to the FCC, Sparklight 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 Clinton County
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Sparklight | 7,000 Mbps | ||
| Allpoint Networx | 1,000 Mbps | ||
| AT&T | 1,000 Mbps | ||
| EarthLink | 1,000 Mbps | ||
| Spectrum | 1,000 Mbps | ||
| Wisper Internet | 400 Mbps | ||
| Verizon | 300 Mbps | ||
| GigFire | 150 Mbps | ||
| Frontier Communications | 115 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| Netwitz Internet Services | 30 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in Clinton County
| ISP / Tech Type | Clinton County Speed | Illinois Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| AT&T | (1) | (47) | (924) | View Plans | ||
| Spectrum | (1) | (13) | (1738) | View Plans | ||
| Wisper Internet | (1) | (1) | (2) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| Sparklight | (0) | (5) | (73) | View Plans | ||
| Frontier | (0) | (4) | (143) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| GigFire | (0) | (0) | (1) | View Plans | ||
| Netwitz Internet | (0) | (0) | (0) | View Plans | ||
| Allpoint Networx | (0) | (0) | (0) | View Plans |
Based on data reported by Clinton County ISPs to the FCC, the fastest speeds in the county are available through Sparklight. The company offers speeds up to 7,000 Mbps in Clinton County. Therefore, the average customer can get up to 7,000 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
Additionally, actual customers in the county rated their satisfaction with internet speed highest with AT&T. This indicates AT&T reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in Clinton County?
Illinois customers rate AT&T 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.
AT&T received a local rating of 5.00 out of 5, which is higher than the average across all internet providers in the country. Wisper Internet is rated in second place for affordability by the company’s Clinton County customers with an average price rating of 2.00 out of 5.
The chart and graph below show how customers in Clinton County, Illinois, and the United States rated the affordability of their internet service.
Rated Affordability in Clinton County
| ISP / Tech Type | Clinton County Affordability | Illinois Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| AT&T | (1) | (47) | (924) | View Plans | ||
| Wisper Internet | (1) | (1) | (2) | View Plans | ||
| Spectrum | (1) | (13) | (1738) | View Plans | ||
| Frontier | (0) | (4) | (143) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| Sparklight | (0) | (5) | (73) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| GigFire | (0) | (0) | (1) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| Netwitz Internet | (0) | (0) | (0) | View Plans | ||
| Allpoint Networx | (0) | (0) | (0) | View Plans |
Clinton County 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 county 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 Clinton County below, including the metrics used and how Clinton County compares to the rest of Illinois and nation.
| Metric
(hover for details)
|
Clinton County | Illinois | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Clinton County that have a Fiber internet connection available to their home. | 99.44% | 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. | 6,970 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 Clinton County. | 6.1 | 7.1 | 6.8 |
| Average Household SizeA larger household size in a county indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.4 | 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. | 11% | 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. | 93% | 95% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 90% | 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. | 68% | 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. | 68% | 75% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Clinton County ISP Report Card & Digital Connectivity Index
The ISP Report Card in Clinton County is A-, which is comparable to other counties. The local demand for broadband internet connectivity in Clinton County is high with a score of 53 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Clinton County have done a average job meeting the needs of its residents.
The Clinton County ISP Report Card evaluates the county on availability and speed metrics compared to other counties in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a county 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.
90% of Clinton County households have an internet connection despite having 99.89% availability. 68% of households have fiber, cable, or DSL, 14% have satellite, 0% are still on dial-up, and 1% 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 68% of households have a broadband connection such as fiber, cable or DSL available to their home, 68% subscribe to it. A moderate amount of Clinton County 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 Counties Compare to Clinton County?
- ISP Report Card: C
- Digital Connectivity Index: 34 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 62 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 47 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 73 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 30 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 24 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 50 / 100
- ISP Report Card: D
- Digital Connectivity Index: 27 / 100
- ISP Report Card: C
- Digital Connectivity Index: 36 / 100
How Much Speed does a Clinton County Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Clinton County is 2.4, which is smaller than the Illinois average of 2.6 and smaller than the national average of 2.7. Clinton County's average household income is $84,263 which is about average for the Illinois average of $93,298 and higher than the national average of $90,606. Homes with fewer people living in them and with higher incomes tend to indicate a fairly average device usage pattern.
Clinton County also has 12% of its population enrolled in school between the 6th grade and college level, this is lower than the Illinois average of 16%. Additionally, 11% of residents work from home, which is lower 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 Clinton County has an average need for internet connectivity and speeds.
Compared to the rest of the country, Clinton County households are about average when it comes to technological engagement. 93% of households have some sort of computing device, 80% have desktops or laptops in the home, and 88% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Clinton County?
Sparklight Fiber in Clinton County, IL
Sparklight offers Fiber service to 99.4% of Clinton County homes. Across the county, Sparklight Fiber is the only type of service available from the company, with speeds up to 7,000 Mbps
Allpoint Networx Fiber in Clinton County, IL
Allpoint Networx offers Fiber service to 3.2% of Clinton County homes. Across the county, Allpoint Networx Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
EarthLink Fiber in Clinton County, IL
EarthLink offers Fiber service to 1.6% of Clinton County homes. Across the county, EarthLink Fiber has speeds up to 1,000 Mbps
AT&T Fiber in Clinton County, IL
AT&T offers Fiber service to 1.6% of Clinton County homes. Across the county, AT&T Fiber has speeds up to 1,000 Mbps
Which Cable Internet Providers are Available in Clinton County?
Spectrum Cable in Clinton County, IL
Spectrum offers Cable service to 70.0% of Clinton County homes. Across the county, Spectrum Cable is the only type of service available from the company, with speeds up to 1,000 Mbps
Which DSL Internet Providers are Available in Clinton County?
EarthLink DSL in Clinton County, IL
EarthLink offers DSL service to 47.7% of Clinton County homes. Across the county, EarthLink DSL has speeds up to 10 Mbps
AT&T DSL in Clinton County, IL
AT&T offers DSL service to 47.7% of Clinton County homes. Across the county, AT&T DSL has speeds up to 10 Mbps
Frontier DSL in Clinton County, IL
Frontier Communications offers DSL service to 24.3% of Clinton County homes. Across the county, Frontier DSL is the only type of service available from the company, with speeds up to 43 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 2.7 Mbps throughout the county.
Which Fixed Wireless and LTE Internet Providers are Available in Clinton County?
Wisper Internet Fixed Wireless in Clinton County, IL
Wisper Internet offers Fixed Wireless service to 94.0% of Clinton County homes. Across the county, Wisper Internet Fixed Wireless is the only type of service available from the company, with speeds up to 199 Mbps, with speeds from 25 Mpbs up to 400 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 30, with an average of 19 Mbps throughout the county.
T-Mobile Home Internet Fixed Wireless in Clinton County, IL
T-Mobile Home Internet offers Fixed Wireless service to 91.6% of Clinton County homes. Across the county, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 64 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 12 Mbps throughout the county.
Verizon Fixed Wireless in Clinton County, IL
Verizon offers Fixed Wireless service to 66.5% of Clinton County homes. Across the county, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
GigFire Fixed Wireless in Clinton County, IL
GigFire offers Fixed Wireless service to 17.8% of Clinton County homes. Across the county, GigFire Fixed Wireless is the only type of service available from the company, with speeds up to 145 Mbps, with speeds from 100 Mpbs up to 150 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 20 and as high as 130, with an average of 118 Mbps throughout the county.
Netwitz Internet Fixed Wireless in Clinton County, IL
Netwitz Internet Services offers Fixed Wireless service to 15.1% of Clinton County homes. Across the county, Netwitz Internet Fixed Wireless is the only type of service available from the company, with speeds up to 24 Mbps, with speeds from 10 Mpbs up to 30 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 5.0, with an average of 4.6 Mbps throughout the county.
EarthLink Fixed Wireless in Clinton County, IL
EarthLink offers Fixed Wireless service to 13.5% of Clinton County homes. Across the county, EarthLink Fixed Wireless has speeds up to 35 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 5.3 Mbps throughout the county.
AT&T Fixed Wireless in Clinton County, IL
AT&T offers Fixed Wireless service to 13.5% of Clinton County homes. Across the county, AT&T Fixed Wireless has speeds up to 35 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 5.3 Mbps throughout the county.
Which ISP Should You Choose in Clinton County?
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 Clinton County is AT&T.
- The fastest internet provider should be Sparklight. Considering speed for the money and reliability in speeds, AT&T may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Clinton County is AT&T.
- Viasat, Sparklight, and HughesNet has the broadest coverage in Clinton County, 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 Clinton County compare to other cities with a similar population?
To see how Clinton County 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 Clinton County's A- ISP Report Card and 53 / 100 Digital Connectivity Index.
- ISP Report Card: B-
- Digital Connectivity Index: 32 / 100
- ISP Report Card: A
- Digital Connectivity Index: 44 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 46 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 33 / 100
- ISP Report Card: B
- Digital Connectivity Index: 48 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 29 / 100
- ISP Report Card: B
- Digital Connectivity Index: 48 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 36 / 100
- ISP Report Card: B
- Digital Connectivity Index: 48 / 100
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