Home Internet in Illinois — what's actually available
The data behind this page
We track 1,347 ZIP codes in Illinois across 7 residential ISPs. The numbers below come from our own coverage dataset — same one we publish under CC-BY 4.0 on the ISP Complaint Database. No carrier paid for placement; no affiliate relationship influences the ranking. The rank order below is by ZIP count, which is the closest honest proxy for "who can actually serve you in Illinois today."
Fiber providers in Illinois
| Provider | ZIPs Covered | Coverage | Max Plan |
|---|---|---|---|
| AT&T Fiber | 1,347 | 100% | 5,000 Mbps |
| Frontier | 1,344 | 100% | 5,000 Mbps |
Cable providers in Illinois
| Provider | ZIPs Covered | Coverage | Max Plan |
|---|---|---|---|
| Xfinity | 1,347 | 100% | 2,000 Mbps |
| Astound (RCN) | 1,346 | 100% | 1,500 Mbps |
The install math for a Illinois household
Median Illinois household income: $81,702. Typical internet stack runs about $75/mo, or $900/year — about 1.1% of pre-tax income. If you want a pro install (mount + cable management + Cat6 to the router from the network closet), Illinois-area rates run about $135/hr; typical job is 4 hours = roughly $540.
What Rick recommends in Illinois
If you can get fiber here, take it. Fiber-to-the-home means symmetric upload — which matters more in 2026 than it did even 5 years ago, because every household now has at least one work-from-home video call per day. For Wi-Fi: skip the carrier rental gateway, buy your own Eero or Orbi mesh, save $10-15/month on rental, and you keep the gear when you switch ISPs.
Major cities mapped
Top Illinois cities in our dataset: Antioch · Arlington height · Elk grove villag · Rolling meadows · Barrington · Crystal lake · Cary · Deerfield · Des plaines · Rosemont · Fox lake · Fox river grove.