In Denmark there is 1 residential Fiber provider covering 39.58% of the city. The average home can get speeds up to 7,000 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 Fiber internet providers in Denmark, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Denmark, IL please click below.
Fiber Internet Service Provider in Denmark
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 Denmark are not shown.
Denmark 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 Denmark is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 39.58% of Denmark. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Cable One. Call one of the companies with service in Denmark above to see who has service at your home.
How fast is fiber internet in Denmark?
The map below shows maximum fiber internet speeds by area in Denmark.

Fiber Internet Speed Key
The average Denmark home can get up to 7,000 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 7,000 Mbps, which 39.58% of residents can get.
Is fiber the fastest internet I can get in Denmark?
The fastest internet for you may vary based on where in Denmark you live. In general, fixed wireless competes most often with fiber in the city.
- Fiber is the fastest internet type for 39.58% of Denmark homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 60.42%.
- Satellite internet may be the only option for less than 1% of Denmark homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Denmark, along with details on where in Denmark and at what speeds.
Sparklight Fiber in Denmark, IL

Sparklight fiber coverage
About 39.58%, or 38 people, have Sparklight fiber internet available to them in the city. The company covers the east, central, southeast, south, and northwest Denmark area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in some of Denmark.
Sparklight fiber download speeds
Sparklight is the fastest when comparing download speeds to all other internet providers in Denmark. Versus other fiber providers in the area, Sparklight fiber is the fastest. There are no different maximum speeds throughout Denmark. The fastest plan anyone in Denmark can order from Sparklight goes up to 7,000 Mbps, and all Denmark customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In Denmark download speeds tend to be equal to than upload speeds for Sparklight fiber. Compared to other ISPs, Sparklight is the fastest where upload speeds are concerned, and the fastest compared to other Denmark fiber providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Denmark is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
Denmark Fiber by Area
This information is most helpful to those looking for homes or considering moving to Denmark or any of the areas nearby.
How does fiber internet in Denmark compare to the rest of Illinois?
Fiber internet speeds in Denmark are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 7,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Illinois is 0.00% versus 39.58% in Denmark.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Denmark are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber 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
- Campbell Hill, IL: less fiber coverage, slower speeds
- Willisville, IL: more fiber coverage, slower speeds
- Ava, IL: less fiber coverage, slower speeds
- Cutler, IL: more fiber coverage, similar speeds
- Vergennes, IL: less fiber coverage, similar speeds
- Percy, IL: more fiber coverage, similar speeds
- Jamestown, IL: more fiber coverage, similar speeds
- Steeleville, IL: more fiber coverage, similar speeds
- Pinckneyville, IL: more fiber coverage, slower speeds
- Glenn, IL: less fiber coverage, slower speeds
Cities with Similar Populations
- Otter Lake, NY: less fiber coverage, slower speeds
- Overton, NV: more fiber coverage, slower speeds
- Parker, IL: more fiber coverage, slower speeds
- Payneway, AR: more fiber coverage, slower speeds
- Pillsbury, ND: more fiber coverage, slower speeds
- Pinnacles, CA: more fiber coverage, slower speeds
- Poplar Grove, KY: more fiber coverage, slower speeds
- Postoak, AL: more fiber coverage, slower speeds
- Powell, NE: more fiber coverage, slower speeds
- Prairie City, SD: more fiber coverage, slower speeds


