14 Best Internet Providers in South Jacksonville, IL
Find internet availability by address in South Jacksonville, IL
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | South Jacksonville ISP Report Card | Business Internet in South Jacksonville
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South Jacksonville ISP Report Card | A |
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Download Speed for Most Households | 6,405 Mbps |
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Number of Internet Service Providers | 14 |
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Real South Jacksonville Customer Ratings | 5 |
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.
South Jacksonville has 14 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 city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in South Jacksonville.
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South Jacksonville has 14 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 city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in South Jacksonville.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
Mediacom
Connection
Customer Rating
Cable
CASSCOMM
Connection
Customer Rating
Fiber
Fixed Wireless
Frontier
Connection
Customer Rating
Fiber
DSL
i3 Broadband
Connection
Customer Rating
Fiber
Above are the top 4 providers in South Jacksonville, 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 South Jacksonville ratings may vary and are shown below.
Who is the Best Internet Provider in South Jacksonville, IL?
i3 Broadband is the best internet provider in South Jacksonville based on Illinois customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, i3 Broadband had the best reviews at the local, state, and national levels versus all available providers in South Jacksonville, making it a solid recommendation among providers with reviews. i3 Broadband is an option for 51.97% of the city.
Click here to get i3 Broadband
or call
The chart and table below show average customer ratings from customers in South Jacksonville, Illinois, and customers throughout the country.
Top Rated Internet Providers in South Jacksonville
Local, State, and National Ratings for all South Jacksonville Internet Providers
| ISP / Tech Type | South Jacksonville Overall | Illinois Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| i3 Broadband | (3) | (16) | (23) | View Plans | ||
| Mediacom |  (2) | (17) | (84) | View Plans | ||
| CASSCOMM | (0) |  (2) | (4) | View Plans | ||
| Verizon | (0) | (10) | (723) | 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 | ||
| Frontier | (0) | (4) | (143) | View Plans | ||
| Wisper Internet | (0) |  (1) | (2) | View Plans | ||
| Viasat | (0) |  (1) | (11) | View Plans | ||
| US Cellular | (0) | (0) | (15) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Nextlink | (0) | (0) | (14) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| Royell Communications | (0) | (0) | (0) | View Plans | ||
| Illinois Net | (0) | (0) | (0) | View Plans |
Based on 113 reviews from Illinois internet customers, i3 Broadband is the best internet service provider for South Jacksonville residents. i3 Broadband was rated at an average of 4.31 out of 5 in our report for overall customer satisfaction. Mediacom wins for second-place in Illinois, with 3.50 out of 5 stars and 96.8% coverage in South Jacksonville.
At a national level, based on 2275 national reviews for any of the providers listed above, i3 Broadband is rated higher than any other provider, with a rating of 4.05 out of 5.
Which Providers are Available at my Home in South Jacksonville?
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 South Jacksonville?
According to unbiased feedback from real internet customers in the city, they reported being happiest with speeds provided by i3 Broadband. On the other hand, based on data provided by the internet providers to the FCC, Frontier Communications 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 South Jacksonville
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Frontier Communications | 7,000 Mbps | ||
| i3 Broadband | 1,000 Mbps | ||
| Mediacom | 1,000 Mbps | ||
| CASSCOMM | 1,000 Mbps | ||
| Illinois Electric Cooperative | 1,000 Mbps | ||
| Wisper Internet | 400 Mbps | ||
| Nextlink | 300 Mbps | ||
| Verizon | 300 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| AT&T | 100 Mbps | ||
| EarthLink | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| Rise Broadband | 25 Mbps | ||
| HughesNet | 25 Mbps | ||
| US Cellular | 25 Mbps | ||
| Royell Communications | 10 Mbps |
Customer Ratings for Internet Provider Speeds in South Jacksonville
| ISP / Tech Type | South Jacksonville Speed | Illinois Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| i3 Broadband | (3) | (16) | (23) | View Plans | ||
| Mediacom | (2) | (17) | (84) | View Plans | ||
| CASSCOMM | (0) | (2) | (4) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Frontier | (0) | (4) | (143) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| Wisper Internet | (0) | (1) | (2) | View Plans | ||
| Viasat | (0) | (1) |  (11) | View Plans | ||
| US Cellular | (0) | (0) | (15) | View Plans | ||
| Nextlink | (0) | (0) | (14) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| Royell Communications | (0) | (0) | (0) | View Plans | ||
| Illinois Net | (0) | (0) | (0) | View Plans |
Based on data reported by South Jacksonville ISPs to the FCC, the fastest speeds in the city are available through Frontier Communications. The company offers speeds up to 7,000 Mbps in South Jacksonville. Therefore, the average customer can get up to 6,485 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 i3 Broadband. This indicates i3 Broadband reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in South Jacksonville?
Illinois customers rate i3 Broadband 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.
i3 Broadband received a local rating of 3.67 out of 5, which is much lower than the average across all internet providers in the country. Mediacom is rated in second place for affordability by the company’s South Jacksonville customers with an average price rating of 3.50 out of 5.
The chart and graph below show how customers in South Jacksonville, Illinois, and the United States rated the affordability of their internet service.
Rated Affordability in South Jacksonville
| ISP / Tech Type | South Jacksonville Affordability | Illinois Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| i3 Broadband | (3) | (16) | (23) | View Plans | ||
| Mediacom | (2) | (17) | (84) | View Plans | ||
| CASSCOMM | (0) | (2) | (4) | View Plans | ||
| Frontier | (0) | (4) | (143) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| Wisper Internet | (0) | (1) | (2) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| US Cellular | (0) | (0) | (15) | View Plans | ||
| Nextlink | (0) | (0) | (14) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| Royell Communications | (0) | (0) | (0) | View Plans | ||
| Illinois Net | (0) | (0) | (0) | View Plans |
South Jacksonville 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 South Jacksonville below, including the metrics used and how South Jacksonville compares to the rest of Illinois and nation.
| Metric
(hover for details)
|
South Jacksonville | Illinois | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in South Jacksonville that have a Fiber internet connection available to their home. | 97.23% | 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. | 6,405 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 South Jacksonville. | 11.1 | 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. | 2.1 | 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. | 9% | 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. | 82% | 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. | 73% | 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. | 73% | 75% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
South Jacksonville ISP Report Card & Digital Connectivity Index
The ISP Report Card in South Jacksonville is A, which is better than other cities. The local demand for broadband internet connectivity in South Jacksonville is high with a score of 44 / 100 in our Digital Connectivity Index. This means that internet service providers operating in South Jacksonville have done a average job meeting the needs of its residents.
The South Jacksonville 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.
82% of South Jacksonville households have an internet connection despite having 99.90% availability. 73% of households have fiber, cable, or DSL, 7% have satellite, 0% are still on dial-up, and 6% 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 73% of households have a broadband connection such as fiber, cable or DSL available to their home, 73% subscribe to it. A large amount of South Jacksonville 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 South Jacksonville?
- ISP Report Card: A-
- Digital Connectivity Index: 40 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 49 / 100
- ISP Report Card: D
- Digital Connectivity Index: 51 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 33 / 100
- ISP Report Card: C
- Digital Connectivity Index: 44 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 38 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 24 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 49 / 100
- ISP Report Card: C
- Digital Connectivity Index: 50 / 100
How Much Speed does a South Jacksonville Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in South Jacksonville is 2.1, which is smaller than the Illinois average of 2.6 and smaller than the national average of 2.7. South Jacksonville's average household income is $63,162 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.
South Jacksonville also has 14% of its population enrolled in school between the 6th grade and college level, this is lower than the Illinois average of 16%. Additionally, 9% 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 South Jacksonville has an average need for internet connectivity and speeds.
Compared to the rest of the country, South Jacksonville households are about average when it comes to technological engagement. 93% of households have some sort of computing device, 74% have desktops or laptops in the home, and 86% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in South Jacksonville?
CASSCOMM Fiber in South Jacksonville, IL
Availability:
92.3%
Customer Rating:
(3)
Avg. Download Speed
1,000 Mbps
CASSCOMM offers Fiber service to 92.3% of South Jacksonville homes. Across the city, CASSCOMM Fiber has speeds up to 1,000 Mbps
Frontier Fiber in South Jacksonville, IL
Availability:
90.3%
Customer Rating:
(110)
Avg. Download Speed
7,000 Mbps
Frontier Communications offers Fiber service to 90.3% of South Jacksonville homes. Across the city, Frontier Fiber has speeds up to 7,000 Mbps
i3 Broadband Fiber in South Jacksonville, IL
Availability:
52.0%
Customer Rating:
(22)
Avg. Download Speed
1,000 Mbps
i3 Broadband offers Fiber service to 52.0% of South Jacksonville homes. Across the city, i3 Broadband Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
Illinois Net Fiber in South Jacksonville, IL
Availability:
2.6%
Customer Rating:
(0)
Avg. Download Speed
1,000 Mbps
Illinois Electric Cooperative offers Fiber service to 2.6% of South Jacksonville homes. Across the city, Illinois Net Fiber has speeds up to 1,000 Mbps
Which Cable Internet Providers are Available in South Jacksonville?
Mediacom Cable in South Jacksonville, IL
Availability:
96.8%
Customer Rating:
(71)
Avg. Download Speed
1,000 Mbps
Mediacom offers Cable service to 96.8% of South Jacksonville homes. Across the city, Mediacom 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 South Jacksonville?
Frontier DSL in South Jacksonville, IL
Availability:
42.9%
Customer Rating:
(46)
Avg. Download Speed
17 Mbps
Frontier Communications offers DSL service to 42.9% of South Jacksonville homes. Across the city, Frontier DSL has speeds up to 17 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 1.4 Mbps throughout the city. Frontier DSL is rated lower than other types of internet service available in South Jacksonville from Frontier in terms of customer satisfaction.
Which Fixed Wireless and LTE Internet Providers are Available in South Jacksonville?
US Cellular Fixed Wireless in South Jacksonville, IL
Availability:
99.9%
Customer Rating:
(0)
Avg. Download Speed
25 Mbps
US Cellular offers Fixed Wireless service to 99.9% of South Jacksonville homes. Across the city, US Cellular Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
EarthLink Fixed Wireless in South Jacksonville, IL
Availability:
99.7%
Customer Rating:
(0)
Avg. Download Speed
53 Mbps
EarthLink offers Fixed Wireless service to 99.7% of South Jacksonville homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 53 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 9.4 Mbps throughout the city.
AT&T Fixed Wireless in South Jacksonville, IL
Availability:
99.7%
Customer Rating:
(0)
Avg. Download Speed
53 Mbps
AT&T offers Fixed Wireless service to 99.7% of South Jacksonville homes. Across the city, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 53 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 9.4 Mbps throughout the city.
Illinois Net Fixed Wireless in South Jacksonville, IL
Availability:
99.1%
Customer Rating:
(0)
Avg. Download Speed
34 Mbps
Illinois Electric Cooperative offers Fixed Wireless service to 99.1% of South Jacksonville homes. Across the city, Illinois Net Fixed Wireless has speeds up to 34 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 6.8 Mbps throughout the city.
T-Mobile Home Internet Fixed Wireless in South Jacksonville, IL
Availability:
97.1%
Customer Rating:
(0)
Avg. Download Speed
39 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 97.1% of South Jacksonville homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 39 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 6.1 Mbps throughout the city.
Wisper Internet Fixed Wireless in South Jacksonville, IL
Availability:
89.3%
Customer Rating:
(0)
Avg. Download Speed
293 Mbps
Wisper Internet offers Fixed Wireless service to 89.3% of South Jacksonville homes. Across the city, Wisper Internet Fixed Wireless is the only type of service available from the company, with speeds up to 293 Mbps, with speeds from 100 Mpbs up to 400 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 20 and as high as 30, with an average of 26 Mbps throughout the city.
Verizon Fixed Wireless in South Jacksonville, IL
Availability:
60.7%
Customer Rating:
(0)
Avg. Download Speed
300 Mbps
Verizon offers Fixed Wireless service to 60.7% of South Jacksonville homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Royell Communications Fixed Wireless in South Jacksonville, IL
Availability:
44.6%
Customer Rating:
(0)
Avg. Download Speed
10 Mbps
Royell Communications offers Fixed Wireless service to 44.6% of South Jacksonville homes. Across the city, Royell Communications Fixed Wireless is the only type of service available from the company, with speeds up to 10 Mbps
Rise Broadband Fixed Wireless in South Jacksonville, IL
Availability:
30.8%
Customer Rating:
(0)
Avg. Download Speed
25 Mbps
Rise Broadband offers Fixed Wireless service to 30.8% of South Jacksonville homes. Across the city, Rise Broadband Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
CASSCOMM Fixed Wireless in South Jacksonville, IL
Availability:
5.1%
Customer Rating:
(0)
Avg. Download Speed
25 Mbps
CASSCOMM offers Fixed Wireless service to 5.1% of South Jacksonville homes. Across the city, CASSCOMM Fixed Wireless has speeds up to 25 Mbps
Nextlink Fixed Wireless in South Jacksonville, IL
Availability:
2.2%
Customer Rating:
(0)
Avg. Download Speed
300 Mbps
Nextlink offers Fixed Wireless service to 2.2% of South Jacksonville homes. Across the city, Nextlink Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Which ISP Should You Choose in South Jacksonville?
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 South Jacksonville is i3 Broadband.
- The fastest internet provider should be Frontier Communications. Considering speed for the money and reliability in speeds, i3 Broadband may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in South Jacksonville is i3 Broadband.
- Viasat, US Cellular, and HughesNet has the broadest coverage in South Jacksonville, 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 South Jacksonville compare to other cities with a similar population?
To see how South Jacksonville 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 South Jacksonville's A ISP Report Card and 44 / 100 Digital Connectivity Index.
- ISP Report Card: C-
- Digital Connectivity Index: 70 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 57 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 47 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 60 / 100
- ISP Report Card: B
- Digital Connectivity Index: 46 / 100
- ISP Report Card: A
- Digital Connectivity Index: 70 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 68 / 100
- ISP Report Card: B
- Digital Connectivity Index: 36 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 92 / 100