Winnebago   County IL United States

County FIPS 17201
Largest City Rockford
State Illinois
Latitude 42.3363
Longitude -89.1609
Population 283,292
Density 552.33 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: $65,837
Median individual: $36,745

Race

Mode: 66.4% White

Gender

 51.1% female 

Rent

  $1021 / month  

Median house value: $164,107.0

Age

Median: 39.6 years old

Education

With at least college degree: 25.2%
With STEM degree: 42.6%

Marital Status

 45.3% married 

Never married: 34.4%

Labor Force Participation

 61.5% working 

Unemployed: 7.3%

Average Family Size

 3.05 people 

Commute Time

 23.0 minutes 

Health Care

 6.2% uninsured 

Poverty

 15.6%

All data comes from the SimpleMaps US Counties Database, 2026.

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