Map of Janesville, United States

Janesville is a city in Wisconsin, United States, with a population of about 64,123. It lies at 42.6828°N, 89.0187°W, about 255 m above sea level. Janesville is about 1,092 km (678 mi) northwest of Washington, D.C., the capital. The nearest city on our map is Beloit, 19 km to the south.

Janesville at a glance

Where is Janesville?

• The 10th largest city in Wisconsin on this site.
• Located in the Northern and Western hemispheres.
• Daylight ranges from about 9 h 02 min on the shortest day to 15 h 19 min on the longest day (around 21 December and 21 June).

Cities near Janesville

• Beloit — 19 km south
• Rockford — 46 km south
• Madison — 53 km northwest
• Waukesha — 74 km northeast
• Crystal Lake — 76 km southeast
• New Berlin — 81 km northeast
• Franklin — 83 km east
• Brookfield — 85 km northeast
• DeKalb — 87 km south
• Greenfield — 88 km east

Largest cities in Wisconsin

• Milwaukee — 563,531
• Madison — 280,305
• Green Bay — 105,207
• Kenosha — 99,858
• Racine — 77,742
• Appleton — 74,139
• Waukesha — 71,970
• Eau Claire — 67,778
• Oshkosh — 66,555
• West Allis — 60,620

Largest cities in United States

• New York City — 8,804,190
• Los Angeles — 3,820,914
• Brooklyn — 2,736,074
• Chicago — 2,664,452
• Queens — 2,316,841
• Houston — 2,314,157
• Phoenix — 1,650,070
• Philadelphia — 1,573,916
• San Antonio — 1,526,656
• Manhattan — 1,487,536

Map of United States and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.