Janesville, Illinois

About Janesville

Janesville is a small unincorporated community in southeastern Illinois.

Officially, Janesville is a census-designated place — a real, named community that residents call home, governed at the county level. The community covers 0.06 square miles.

📰 Janesville News Today

• Officials name employees who died after industrial accident at Janesville food packaging plant | News WKOW · Mar 27
• 3 people displaced after fire destroys home in Coles County wandtv.com · Dec 15
• Janesville house destroyed by fire, four pets presumed dead WCIA.com · Dec 16
• EXPIRED: Tornado watch issued for west-central Illinois through 8 tonight - Jacksonville Journal-Courier Jacksonville Journal-Courier · Apr 2
• Storm Chaser Jaden Pappenheim Gets a Visual on a Tornado Near Rockton, IL and Near Janesville, WI Friday, April 17, 2026 arlingtoncardinal.com · Apr 18

Live headlines via Google News — updates through the day.

What Makes Janesville Unique

• One of 5 places in the US named Janesville — but the Illinois one has a character all its own.
• One of the smallest municipal footprints in the country at just 0.06 sq mi.
• An unincorporated community — no city hall of its own, which often means lower local taxes and county-managed services.
• Positioned in southeastern Illinois, convenient to the region's corridors and crossings.

Why People Love It Here

• A tight community feel that bigger cities can't replicate.
• Housing dollars stretch further here than in the nearest metro.
• Well connected: 3+ neighboring communities within 8 miles.

📍 Neighborhoods in Janesville

Click a neighborhood to see it on the map.

🎡 Fun Things to Do

• Lincoln Log Cabin Replica · Attraction

Attractions mapped by the OpenStreetMap community.

🏞️ Parks & Outdoors in Janesville

• Moore Home Historic Site reviews ★
• Fox Ridge State Park · Nature reserve reviews ★

Parks mapped by the OpenStreetMap community · "reviews" opens each park's live Google reviews.

⚡ Quick Facts

🗺️ Map of Janesville

🏘️ Nearby Communities