Internet providers in Marion, IL
Marion is a city in Illinois with about 16,796 residents and roughly 9,674 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Marion, IL
Share of residential locations in Marion where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.
| # | Provider | Technology (varies by address) | Locations covered | |
|---|---|---|---|---|
| 1 | Mediacom | Fiber, Cable | 99% | |
| 2 | Wisper ISP | Fixed wireless | 89% | |
| 3 | T-Mobile Home Internet | Fixed wireless | 84% | |
| 4 | Verizon | Fiber, Fixed wireless | 73% | Check availability |
| 5 | Frontier | Fiber, DSL | 61% | |
| 6 | 4 SIWI | Fiber, Fixed wireless | 58% | |
| 7 | Hamilton County Telephone Co-Op | Fiber, DSL | 43% | |
| 8 | AT&T | Fiber, DSL, Fixed wireless | 32% | Check availability |
| 9 | Delta Communications | Fiber | 19% | |
| 10 | ProTek Communications | Fiber | 10% |
Satellite internet
| 1 | HughesNet | Satellite | 99%+ | |
| 2 | Viasat | Satellite | 99%+ | |
| 3 | Starlink | Satellite | 99%+ |
Satellite service is available at nearly every address but typically has higher latency than wired options.
Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.
What to know about internet in Marion
Mediacom reports service to the most residential locations in Marion, about 99%. 6 providers report coverage of at least half of locations (Mediacom, Wisper ISP, T-Mobile Home Internet, Verizon, Frontier, and 4 SIWI), so the market looks competitive. Fiber-focused providers reporting service here include Delta Communications (19%) and ProTek Communications (10%). Wisper ISP and T-Mobile Home Internet offer fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Marion?
Fiber is widely available: about 93% of locations in Marion can get it. Gigabit-class service (1,000 Mbps down) is reported for about 93% of locations. Fixed wireless home internet is reported for about 99%+ of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Marion that providers report they can serve. City-level figures, not your address.
Marion at a glance
About 82% of households in Marion have a broadband subscription, 7 points below the Illinois average of 89%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Marion
- Herrin, IL (7 mi)
- Carbondale, IL (15 mi)
Frequently asked questions
Is fiber internet available in Marion?
Yes, in part. About 93% of residential locations in Marion can get fiber, 94% can get cable, and about 93% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Marion?
Mediacom reports service to about 99% of residential locations in Marion, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Marion?
10 providers report service to at least 2% of locations in Marion, and 6 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
Is there fiber internet in Marion?
Fiber providers reporting service in Marion include Delta Communications (19% of locations) and ProTek Communications (10% of locations). Other providers may also offer fiber in parts of the city, so check your address.
What is the difference between fiber, cable and DSL?
Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.
What internet speed do I need in Marion?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.
Check your exact address
Coverage for a whole community cannot tell you what is available at your door. Enter your ZIP code, then confirm with each provider.
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