Jefferson   County IN United States

County FIPS 18077
Largest City Madison
State Indiana
Latitude 38.7858
Longitude -85.4386
Population 32,998
Density 91.5 people per square mile
Time Zone America/Indiana/Indianapolis
  • 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: $64,577
Median individual: $33,969

Race

Mode: 92.3% White

Gender

 51.9% female 

Rent

  $890 / month  

Median house value: $189,787.0

Age

Median: 41.8 years old

Education

With at least college degree: 19.8%
With STEM degree: 45.0%

Marital Status

 46.4% married 

Never married: 30.2%

Labor Force Participation

 57.8% working 

Unemployed: 4.4%

Average Family Size

 2.91 people 

Commute Time

 22.2 minutes 

Health Care

 7.6% uninsured 

Poverty

 12.3%

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

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