Janesville Population 2026
Janesville has a population of 64,123, making it the #622 biggest city in 🇺🇸 United States, located in Wisconsin. It is about 137× smaller than New York City, the country's biggest city.
Population (city proper)
64,123
Rank in United States
#622
Coordinates
42.68°N, 89.02°W
~255 m elevation · America/Chicago
Distance to capital (Washington)
1,092 km
678 miles, straight line
Other big cities in Wisconsin
Cities near Janesville
- Beloit36,891 people · ~19 km away
- Machesney Park22,927 people · ~37 km away
- Loves Park23,455 people · ~40 km away
- Rockford148,278 people · ~46 km away
- Fitchburg27,996 people · ~48 km away
- Belvidere25,132 people · ~49 km away
FAQ
What is the population of Janesville?
Janesville has a population of 64,123 (city proper, latest official figure via GeoNames), making it the #622 biggest city in United States.
What state is Janesville in?
Janesville is located in Wisconsin, United States.
Is Janesville the capital of United States?
No, the capital of United States is Washington D.C., about 1,092 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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