Jo Daviess   County IL United States

County FIPS 17085
Largest City Galena
State Illinois
Latitude 42.3658
Longitude -90.2126
Population 21,851
Density 36.37 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: $73,993
Median individual: $41,989

Race

Mode: 93.5% White

Gender

 50.0% female 

Rent

  $825 / month  

Median house value: $209,360.0

Age

Median: 51.5 years old

Education

With at least college degree: 28.9%
With STEM degree: 39.9%

Marital Status

 60.3% married 

Never married: 21.7%

Labor Force Participation

 59.6% working 

Unemployed: 3.6%

Average Family Size

 2.55 people 

Commute Time

 22.1 minutes 

Health Care

 4.7% uninsured 

Poverty

 7.8%

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

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