8 Best Internet Providers in Stonington, IL
Find internet availability by address in Stonington, IL
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Stonington ISP Report Card | Business Internet in Stonington
| Stonington ISP Report Card | C+ | |
| Download Speed for Most Households | 874 Mbps | |
| Number of Internet Service Providers | 8 | |
| Real Stonington Customer Ratings | 1 |
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.
Stonington has 8 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, 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 Stonington.
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Stonington has 8 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, 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 Stonington.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
Fidium
Connection
Customer Rating
DSL
CTI Fiber
Connection
Customer Rating
Fiber
Sparklight
Connection
Customer Rating
Cable
EarthLink
Connection
Customer Rating
Fixed Wireless
Above are the top 4 providers in Stonington, 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 Stonington ratings may vary and are shown below.
Who is the Best Internet Provider in Stonington, IL?
CTI Fiber is the highest-rated internet provider in Stonington based on 73 Illinois customer reviews, and CTI Fiber 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 Stonington, Illinois, and customers throughout the country.
Top Rated Internet Providers in Stonington
Local, State, and National Ratings for all Stonington Internet Providers
| ISP / Tech Type | Stonington Overall | Illinois Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| CTI Fiber | (1) | (1) | (2) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Fidium | (0) | (4) | (70) | View Plans | ||
| Sparklight | (0) | (5) | (73) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| PWR-net | (0) | (0) | (0) | View Plans |
Based on 73 reviews from Illinois internet customers, CTI Fiber is the best internet service provider for Stonington residents. CTI Fiber was rated at an average of 4.00 out of 5 in our report for overall customer satisfaction. T-Mobile Home Internet wins for second-place in Illinois, with 4.00 out of 5 stars and 5.8% coverage in Stonington.
At a national level, based on 1412 national reviews for any of the providers listed above, CTI Fiber is rated higher than any other provider, with a rating of 3.53 out of 5.
Which Providers are Available at my Home in Stonington?
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 Stonington?
Based on both FCC data and unbiased customer ratings in Stonington, the fastest internet in the city comes from CTI Fiber.
Data Reported to FCC by ISPs: Average Maximum Available in Stonington
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| CTI Fiber | 2,000 Mbps | ||
| Sparklight | 1,000 Mbps | ||
| Fidium Fiber | 500 Mbps | ||
| AT&T | 100 Mbps | ||
| EarthLink | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| T-Mobile Home Internet | 25 Mbps | ||
| HughesNet | 25 Mbps | ||
| Rise Broadband | 25 Mbps | ||
| PWR-net | 10 Mbps |
Customer Ratings for Internet Provider Speeds in Stonington
| ISP / Tech Type | Stonington Speed | Illinois Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| CTI Fiber | (1) | (1) | (2) | View Plans | ||
| Fidium | (0) | (4) | (70) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| Sparklight | (0) | (5) | (73) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| PWR-net | (0) | (0) | (0) | View Plans |
Based on data reported by Stonington ISPs to the FCC, the fastest speeds in the city are available through CTI Fiber. The company offers speeds up to 2,000 Mbps in Stonington. Therefore, the average customer can get up to 1,021 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
However, actual customers in the city rated their satisfaction with internet speed highest with CTI Fiber. This indicates CTI Fiber reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in Stonington?
Illinois customers rate CTI Fiber 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.
CTI Fiber received a local rating of 3.00 out of 5, which is much lower than the average across all internet providers in the country. Fidium Fiber is rated in second place for affordability by the company’s Stonington customers with an average price rating of 3.75 out of 5.
The chart and graph below show how customers in Stonington, Illinois, and the United States rated the affordability of their internet service.
Rated Affordability in Stonington
| ISP / Tech Type | Stonington Affordability | Illinois Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| CTI Fiber | (1) | (1) | (2) | View Plans | ||
| Fidium | (0) | (4) | (70) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Sparklight | (0) | (5) | (73) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| PWR-net | (0) | (0) | (0) | View Plans |
Stonington 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 Stonington below, including the metrics used and how Stonington compares to the rest of Illinois and nation.
| Metric
(hover for details)
|
Stonington | Illinois | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Stonington that have a Fiber internet connection available to their home. | 84.77% | 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. | 874 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 Stonington. | 5.8 | 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. | 2.3 | 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. | 7% | 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. | 95% | 95% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 84% | 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. | 43% | 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. | 44% | 75% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Stonington ISP Report Card & Digital Connectivity Index
The ISP Report Card in Stonington is C+, which is much worse than other cities. The local demand for broadband internet connectivity in Stonington is high with a score of 28 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Stonington have done a poor job meeting the needs of its residents.
The Stonington 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.
84% of Stonington households have an internet connection despite having 99.80% availability. 43% of households have fiber, cable, or DSL, 12% have satellite, 1% 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 43% of households have a broadband connection such as fiber, cable or DSL available to their home, 44% subscribe to it. A very low number of Stonington 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 Stonington?
- ISP Report Card: D
- Digital Connectivity Index: 37 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 29 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 21 / 100
- ISP Report Card: C
- Digital Connectivity Index: 37 / 100
- ISP Report Card: B
- Digital Connectivity Index: 36 / 100
- ISP Report Card: D
- Digital Connectivity Index: 30 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 37 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 50 / 100
- ISP Report Card: D
- Digital Connectivity Index: 34 / 100
How Much Speed does a Stonington Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Stonington is 2.3, which is smaller than the Illinois average of 2.6 and smaller than the national average of 2.7. Stonington's average household income is $65,191 which is lower than the Illinois average of $93,298 and lower than the national average of $90,606. Homes with fewer people living in them and with lower incomes tend to indicate fewer devices being used less often.
Stonington also has 10% of its population enrolled in school between the 6th grade and college level, this is lower than the Illinois average of 16%. Additionally, 7% 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 Stonington has a very low need for internet connectivity and speeds.
Compared to the rest of the country, Stonington households are more technology-engaged. 95% of households have some sort of computing device, 86% have desktops or laptops in the home, and 89% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Stonington?
CTI Fiber in Stonington, IL
CTI Fiber offers Fiber service to 84.8% of Stonington homes. Across the city, CTI Fiber is the only type of service available from the company, with speeds up to 1,021 Mbps, with speeds from 1,000 Mpbs up to 2,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for CTI Fiber.
Which Cable Internet Providers are Available in Stonington?
Sparklight Cable in Stonington, IL
Sparklight offers Cable service to 82.8% of Stonington homes. Across the city, Sparklight 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 Stonington?
Fidium DSL in Stonington, IL
Fidium Fiber offers DSL service to 94.7% of Stonington homes. Across the city, Fidium DSL is the only type of service available from the company, with speeds up to 148 Mbps, with speeds from 10 Mpbs up to 500 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 75, with an average of 22 Mbps throughout the city.
Which Fixed Wireless and LTE Internet Providers are Available in Stonington?
Rise Broadband Fixed Wireless in Stonington, IL
Rise Broadband offers Fixed Wireless service to 98.6% of Stonington homes. Across the city, Rise Broadband Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
EarthLink Fixed Wireless in Stonington, IL
EarthLink offers Fixed Wireless service to 95.6% of Stonington homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 71 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 13 Mbps throughout the city.
AT&T Fixed Wireless in Stonington, IL
AT&T offers Fixed Wireless service to 95.6% of Stonington homes. Across the city, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 71 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 13 Mbps throughout the city.
PWR-net Fixed Wireless in Stonington, IL
PWR-net offers Fixed Wireless service to 16.1% of Stonington homes. Across the city, PWR-net Fixed Wireless is the only type of service available from the company, with speeds up to 10 Mbps
T-Mobile Home Internet Fixed Wireless in Stonington, IL
T-Mobile Home Internet offers Fixed Wireless service to 5.8% of Stonington homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
Which ISP Should You Choose in Stonington?
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 Stonington is CTI Fiber.
- The fastest internet provider should be CTI Fiber. Considering speed for the money and reliability in speeds, CTI Fiber may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Stonington is CTI Fiber.
- Viasat, Rise Broadband, and HughesNet has the broadest coverage in Stonington, 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 Stonington compare to other cities with a similar population?
To see how Stonington 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 Stonington's C+ ISP Report Card and 28 / 100 Digital Connectivity Index.
- ISP Report Card: A
- Digital Connectivity Index: 68 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 32 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 67 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 34 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 33 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 65 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 48 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 50 / 100
- ISP Report Card: B
- Digital Connectivity Index: 22 / 100
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