Skip to main content

Underserved Areas for Broadband in Illinois (2026)

Millions of Americans still lack access to reliable, affordable broadband. In Illinois, the digital divide is most acute in smaller communities where provider investment has been limited. The table below highlights the least-populated cities in our database — areas where broadband options are most likely to be sparse.

30 Smallest Communities Tracked in Illinois

#CityPopulationCoverage Outlook
1New Baden3,428Likely underserved — limited provider options
2Riverton3,462Likely underserved — limited provider options
3Gibson City3,475Likely underserved — limited provider options
4Georgetown3,493Likely underserved — limited provider options
5Le Roy3,512Likely underserved — limited provider options
6Oregon3,580Likely underserved — limited provider options
7Forsyth3,584Likely underserved — limited provider options
8Tolono3,604Likely underserved — limited provider options
9Aledo3,633Likely underserved — limited provider options
10Scott Air Force Base3,688Likely underserved — limited provider options
11Oglesby3,712Likely underserved — limited provider options
12Wadsworth3,739Likely underserved — limited provider options
13Byron3,784Likely underserved — limited provider options
14Rochester3,785Likely underserved — limited provider options
15Marshall3,787Likely underserved — limited provider options
16Red Bud3,804Likely underserved — limited provider options
17Lakewood3,843Likely underserved — limited provider options
18Madison3,868Likely underserved — limited provider options
19Coal Valley3,873Likely underserved — limited provider options
20Metamora3,904Likely underserved — limited provider options
21Saint Joseph3,967Likely underserved — limited provider options
22Fairbury3,970Likely underserved — limited provider options
23Dupo3,996Likely underserved — limited provider options
24Smithton4,006Likely underserved — limited provider options
25Wonder Lake4,026Likely underserved — limited provider options
26Dwight4,063Likely underserved — limited provider options
27Eldorado4,064Likely underserved — limited provider options
28Millstadt4,071Likely underserved — limited provider options
29Morrison4,145Likely underserved — limited provider options
30Peotone4,150Likely underserved — limited provider options

The Digital Divide in Illinois

Rural and low-income communities in Illinois often have only one or two broadband providers — and in some cases, none offering speeds that meet the FCC's 100/20 Mbps benchmark. This lack of competition leads to higher prices and slower speeds compared to urban areas.

Federal programs like BEAD (Broadband Equity, Access, and Deployment), the Affordable Connectivity Program successor, and USDA ReConnect grants are directing billions toward closing these gaps. You can check whether your area qualifies for subsidized broadband by entering your ZIP code in our availability checker.

How This Data Is Compiled

We track cities using U.S. Census population estimates and cross-reference them with FCC BDC filings. Smaller population centers are more likely to be underserved because providers prioritize areas with higher subscriber density. For our full methodology, see the methodology page.

Frequently Asked Questions

Which areas in Illinois have the worst broadband coverage?
Smaller, more rural communities in Illinois tend to have the fewest broadband options. The table above lists the least-populated tracked cities, which often correlate with limited provider competition and slower available speeds.
What is being done about broadband gaps in Illinois?
The federal Broadband Equity, Access, and Deployment (BEAD) program is allocating billions to expand high-speed internet to underserved areas nationwide. Illinois is slated to receive funding to close coverage gaps in rural and low-income communities.
How can I report a broadband gap in Illinois?
You can file a challenge on the FCC Broadband Data Collection (BDC) map at broadbandmap.fcc.gov if your address is incorrectly listed as having service. This data directly influences federal funding allocations.