53548   Zip Code Janesville Rock WI United States

City Janesville
County Rock
State Wisconsin
Latitude 42.68907
Longitude -89.13095
Population 19,916
Density 265.8 people per square mile
Time Zone America/Chicago
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $76,869
Median individual: $41,487

Race

Mode: 84.9% White

Gender

 50.3% male 

Rent

  $1045 / month  

Median house value: $231,795.0

Age

Median: 43.3 years old

Education

With at least college degree: 26.3%
With STEM degree: 35.8%

Marital Status

 52.0% married 

Never married: 27.5%

Labor Force Participation

 64.2% working 

Unemployed: 5.0%

Average Family Size

 2.74 people 

Commute Time

 22.5 minutes 

Health Care

 6.9% uninsured 

Poverty

 10.6%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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