St. Croix   County WI United States

County FIPS 55109
Largest City River Falls
State Wisconsin
Latitude 45.0340
Longitude -92.4526
Population 96,033
Density 133.01 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: $103,046
Median individual: $51,577

Race

Mode: 92.1% White

Gender

 50.5% male 

Rent

  $1271 / month  

Median house value: $377,596.0

Age

Median: 40.4 years old

Education

With at least college degree: 39.4%
With STEM degree: 44.5%

Marital Status

 57.4% married 

Never married: 27.3%

Labor Force Participation

 69.0% working 

Unemployed: 2.6%

Average Family Size

 3.00 people 

Commute Time

 27.0 minutes 

Health Care

 4.1% uninsured 

Poverty

 6.6%

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

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