Janesville
A city in Rock County, Wisconsin — population 64,664 as of 2020.
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Today
66°F
Partly Sunny then Chance Rain Showers63% precip
Tonight
46°F
Mostly Clear
Monday
71°F
Mostly Sunny9% precip
Monday Night
64°F
Showers And Thunderstorms77% precip
In and around Janesville
See & do
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Janesville by the numbers
Population
64,664Population figure, 2020
Households & income
- Area
- 34.19 sq mi (88.54 km²), 0.6 sq mi water
- Median age
- 40.7
- Households
- 28,326
- Persons per household
- 2.3
- Median household income
- $73,446
- Median house value
- $223,400
Municipal office
- Office
- ADMINISTRATOR
- Address
- 18 N JACKSON ST, JANESVILLE, WI 53547