6 Best Internet Providers in Clarendon Hills, IL
Find internet availability by address in Clarendon Hills, IL
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Clarendon Hills ISP Report Card | Business Internet in Clarendon Hills
| Clarendon Hills ISP Report Card | B+ | |
| Download Speed for Most Households | 3,720 Mbps | |
| Number of Internet Service Providers | 6 | |
| Real Clarendon Hills Customer Ratings | 2 |
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.
Clarendon Hills has 6 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 Clarendon Hills.
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Clarendon Hills has 6 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 Clarendon Hills.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
XFINITY
Connection
Customer Rating
Cable
EarthLink
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
AT&T
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Customer Rating
Fiber
DSL
Fixed Wireless
Sparklight
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Customer Rating
Fiber
Above are the top 4 providers in Clarendon Hills, 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 Clarendon Hills ratings may vary and are shown below.
Who is the Best Internet Provider in Clarendon Hills, IL?
Verizon is the best internet provider in Clarendon Hills based on Illinois customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, Verizon had the best reviews at the local, state, and national levels versus all available providers in Clarendon Hills, making it a solid recommendation among providers with reviews. Verizon is an option for 91.57% of the city.
or call 1-833-213-7018
The chart and table below show average customer ratings from customers in Clarendon Hills, Illinois, and customers throughout the country.
Top Rated Internet Providers in Clarendon Hills
Local, State, and National Ratings for all Clarendon Hills Internet Providers
| ISP / Tech Type | Clarendon Hills Overall | Illinois Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (2) | (210) | (2164) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| AT&T | (0) | (47) | (924) | 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 |
Based on 287 reviews from Illinois internet customers, Verizon is the best internet service provider for Clarendon Hills residents. Verizon was rated at an average of 4.10 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 98.6% coverage in Clarendon Hills.
At a national level, based on 4209 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.04 out of 5.
Which Providers are Available at my Home in Clarendon Hills?
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 Clarendon Hills?
According to unbiased feedback from real internet customers in the city, they reported being happiest with speeds provided by T-Mobile Home Internet. 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 Clarendon Hills
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Sparklight | 7,000 Mbps | ||
| AT&T | 5,000 Mbps | ||
| EarthLink | 5,000 Mbps | ||
| XFINITY from Comcast | 2,000 Mbps | ||
| Verizon | 1,000 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in Clarendon Hills
| ISP / Tech Type | Clarendon Hills Speed | Illinois Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (2) | (210) | (2164) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| Sparklight | (0) | (5) | (73) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans |
Based on data reported by Clarendon Hills ISPs to the FCC, the fastest speeds in the city are available through Sparklight. The company offers speeds up to 7,000 Mbps in Clarendon Hills. 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 city rated their satisfaction with internet speed highest with T-Mobile Home Internet. This indicates T-Mobile Home Internet reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in Clarendon Hills?
Illinois customers rate Verizon 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.
Verizon received a local rating of 4.00 out of 5, which is lower than the average across all internet providers in the country. T-Mobile Home Internet is rated in second place for affordability by the company’s Clarendon Hills customers with an average price rating of 3.71 out of 5.
The chart and graph below show how customers in Clarendon Hills, Illinois, and the United States rated the affordability of their internet service.
Rated Affordability in Clarendon Hills
| ISP / Tech Type | Clarendon Hills Affordability | Illinois Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| XFINITY | (2) | (210) | (2164) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| AT&T | (0) | (47) | (924) | 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 |
Clarendon Hills 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 Clarendon Hills below, including the metrics used and how Clarendon Hills compares to the rest of Illinois and nation.
| Metric
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Clarendon Hills | Illinois | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Clarendon Hills that have a Fiber internet connection available to their home. | 57.42% | 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. | 3,720 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 Clarendon Hills. | 7.9 | 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. | 2.8 | 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. | 29% | 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. | 97% | 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. | 90% | 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. | 91% | 75% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Clarendon Hills ISP Report Card & Digital Connectivity Index
The ISP Report Card in Clarendon Hills is B+, which is much better than other cities. The local demand for broadband internet connectivity in Clarendon Hills is high with a score of 91 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Clarendon Hills have done a great job meeting the needs of its residents.
The Clarendon Hills 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.
97% of Clarendon Hills households have an internet connection despite having 99.05% availability. 90% of households have fiber, cable, or DSL, 8% have satellite, 1% are still on dial-up, and 0% 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 90% of households have a broadband connection such as fiber, cable or DSL available to their home, 91% subscribe to it. A very large amount of Clarendon Hills 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 Clarendon Hills?
- ISP Report Card: B
- Digital Connectivity Index: 72 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 92 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 70 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 71 / 100
- ISP Report Card: B
- Digital Connectivity Index: 83 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 94 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 77 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 75 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 80 / 100
How Much Speed does a Clarendon Hills Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Clarendon Hills is 2.8, which is larger than the Illinois average of 2.6 and larger than the national average of 2.7. Clarendon Hills's average household income is $156,116 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.
Clarendon Hills also has 17% of its population enrolled in school between the 6th grade and college level, this is higher than the Illinois average of 16%. Additionally, 29% 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 Clarendon Hills has a very high need for internet connectivity and speeds.
Compared to the rest of the country, Clarendon Hills households are much more technology-engaged. 98% of households have some sort of computing device, 97% have desktops or laptops in the home, and 94% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Clarendon Hills?
EarthLink Fiber in Clarendon Hills, IL
EarthLink offers Fiber service to 55.5% of Clarendon Hills homes. Across the city, EarthLink Fiber has speeds up to 5,000 Mbps
AT&T Fiber in Clarendon Hills, IL
AT&T offers Fiber service to 55.5% of Clarendon Hills homes. Across the city, AT&T Fiber has speeds up to 5,000 Mbps
Sparklight Fiber in Clarendon Hills, IL
Sparklight offers Fiber service to 5.7% of Clarendon Hills homes. Across the city, Sparklight Fiber is the only type of service available from the company, with speeds up to 7,000 Mbps
Which Cable Internet Providers are Available in Clarendon Hills?
XFINITY Cable in Clarendon Hills, IL
XFINITY from Comcast offers Cable service to 99.1% of Clarendon Hills homes. Across the city, XFINITY Cable is the only type of service available from the company, with speeds up to 1,548 Mbps, with speeds from 1,200 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 250, with an average of 129 Mbps throughout the city.
Which DSL Internet Providers are Available in Clarendon Hills?
EarthLink DSL in Clarendon Hills, IL
EarthLink offers DSL service to 95.2% of Clarendon Hills homes. Across the city, EarthLink DSL has speeds up to 77 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 5.0 and as high as 20, with an average of 16 Mbps throughout the city. EarthLink DSL is rated the same as other types of internet service available in Clarendon Hills from EarthLink in terms of customer satisfaction.
AT&T DSL in Clarendon Hills, IL
AT&T offers DSL service to 95.2% of Clarendon Hills homes. Across the city, AT&T DSL has speeds up to 77 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 5.0 and as high as 20, with an average of 16 Mbps throughout the city. AT&T DSL is rated about the same as other types of internet service available in Clarendon Hills from AT&T in terms of customer satisfaction.
Which Fixed Wireless and LTE Internet Providers are Available in Clarendon Hills?
T-Mobile Home Internet Fixed Wireless in Clarendon Hills, IL
T-Mobile Home Internet offers Fixed Wireless service to 98.6% of Clarendon Hills homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 81 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 16 Mbps throughout the city.
EarthLink Fixed Wireless in Clarendon Hills, IL
EarthLink offers Fixed Wireless service to 93.7% of Clarendon Hills homes. Across the city, EarthLink Fixed Wireless has speeds up to 38 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 6.0 Mbps throughout the city.
AT&T Fixed Wireless in Clarendon Hills, IL
AT&T offers Fixed Wireless service to 93.7% of Clarendon Hills homes. Across the city, AT&T Fixed Wireless has speeds up to 38 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 6.0 Mbps throughout the city.
Verizon Fixed Wireless in Clarendon Hills, IL
Verizon offers Fixed Wireless service to 91.6% of Clarendon Hills homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 350 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 20 and as high as 75, with an average of 24 Mbps throughout the city.
Which ISP Should You Choose in Clarendon Hills?
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 Clarendon Hills is Verizon.
- The fastest internet provider should be Sparklight. Considering speed for the money and reliability in speeds, T-Mobile Home Internet may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Clarendon Hills is Verizon.
- XFINITY from Comcast, Viasat, HughesNet, EarthLink, and AT&T has the broadest coverage in Clarendon Hills, 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 Clarendon Hills compare to other cities with a similar population?
To see how Clarendon Hills 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 Clarendon Hills's B+ ISP Report Card and 91 / 100 Digital Connectivity Index.
- ISP Report Card: C+
- Digital Connectivity Index: 67 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 66 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 67 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 42 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 60 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 81 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 43 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 79 / 100
- ISP Report Card: A
- Digital Connectivity Index: 67 / 100
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