Population of Janesville, Wisconsin as of February 2025. How many people live in Janesville today?

The exact population of Janesville, Wisconsin as of February 2025 is estimated at 65,615 residents. Please note: this figure is an estimate and may slightly change as people get born and pass away, it also depends on migration to/from Janesville.

Check out more data on population in Wisconsin:

• Population of Madison
• Population of Racine
• Population of Milwaukee
• Population of Brookfield
• Population of Beloit
• Population of Fitchburg
• Population of Franklin
• Population of Stevens Point
• Population of Watertown
• Population of Howard
• Population of Fox Crossing
• Population of Menasha
• Population of Beaver Dam
• Population of Weston
• Population of Salem Lakes
• Population of Verona
• Population of Stoughton