In Harrisburg there are 2 residential Cable providers covering 87.71% of the city. The average home can get speeds up to 1,000 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all Cable internet providers in Harrisburg, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Harrisburg, IL please click below.
Harrisburg, IL Availability Maps
Cable Internet Service Providers in Harrisburg
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Harrisburg are not shown.
Harrisburg Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Where in Harrisburg is cable internet available?
Cable Internet Availability Key
Cable is available in 87.71% of Harrisburg. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Mediacom. Call one of the companies with service in Harrisburg above to see who has service at your home.
How fast is cable internet in Harrisburg?
The map below shows maximum cable internet speeds by area in Harrisburg.
Cable Internet Speed Key
The average Harrisburg home can get up to 1,000 Mbps on their cable internet plan. The fastest cable download speed in the city is 1,000 Mbps, which 87.71% of residents can get.
Is cable the fastest internet I can get in Harrisburg?
The fastest internet for you may vary based on where in Harrisburg you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 99.22% of Harrisburg homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Harrisburg homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Harrisburg, along with details on where in Harrisburg and at what speeds.
Mediacom Cable in Harrisburg, IL
Mediacom cable coverage
About 78.49%, or 8,364 people, have Mediacom cable internet available to them in the city. The company covers the entire Harrisburg area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in much of Harrisburg.
Mediacom cable download speeds
Mediacom is below average when comparing download speeds to all other internet providers in Harrisburg. Versus other cable providers in the area, Mediacom cable is one of the fastest. There are no different maximum speeds throughout Harrisburg. The fastest plan anyone in Harrisburg can order from Mediacom goes up to 1,000 Mbps, and all Harrisburg customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In Harrisburg download speeds tend to be faster than than upload speeds for Mediacom cable. Compared to other ISPs, Mediacom is below average where upload speeds are concerned, and the fastest compared to other Harrisburg cable providers. Mediacom offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harrisburg is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Zito Media Cable in Harrisburg, IL
Zito cable coverage
About 15.44%, or 1,645 people, have Zito cable internet available to them in the city. The company covers the southwest, northeast, southeast, south, and east Harrisburg area. Zito is a large internet service provider internet service providers in the US, with internet service available in a small portion of Harrisburg.
Zito Media cable download speeds
Zito is below average when comparing download speeds to all other internet providers in Harrisburg. Versus other cable providers in the area, Zito cable is one of the fastest. There are no different maximum speeds throughout Harrisburg. The fastest plan anyone in Harrisburg can order from Zito goes up to 1,000 Mbps, and all Harrisburg customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Zito Media cable upload speeds
In Harrisburg download speeds tend to be faster than than upload speeds for Zito cable. Compared to other ISPs, Zito is below average where upload speeds are concerned, and the slowest compared to other Harrisburg cable providers. Zito offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Harrisburg is up to 25 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 25.0 Mbps
Harrisburg Cable by Area
This information is most helpful to those looking for homes or considering moving to Harrisburg or any of the areas nearby.
How does cable internet in Harrisburg compare to the rest of Illinois?
Cable internet speeds in Harrisburg are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 1,000 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Illinois is 0.00% versus 87.71% in Harrisburg.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Harrisburg are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable internet look like in other cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Garden Heights, IL: less cable coverage, similar speeds
- Pankeyville, IL: less cable coverage, similar speeds
- Ledford, IL: more cable coverage, similar speeds
- Carrier Mills, IL: less cable coverage, similar speeds
- Wasson, IL: less cable coverage, similar speeds
- Newcastle, IL: less cable coverage, similar speeds
- Eldorado, IL: less cable coverage, similar speeds
- Stonefort, IL: less cable coverage, similar speeds
- Equality, IL: less cable coverage, similar speeds
- Oldtown, IL: less cable coverage, similar speeds
Cities with Similar Populations
- Newton Falls, OH: less cable coverage, similar speeds
- Naranja, FL: less cable coverage, faster speeds
- Natrona Heights, PA: more cable coverage, faster speeds
- Navasota, TX: less cable coverage, slower speeds
- Nebo, NC: less cable coverage, slower speeds
- Nevada, MO: more cable coverage, similar speeds
- New Baltimore, VA: more cable coverage, faster speeds
- New Boston, MI: more cable coverage, faster speeds
- Newaygo, MI: less cable coverage, faster speeds
- Newport Coast, CA: more cable coverage, faster speeds