Fountain   County IN United States

County FIPS 18045
Largest City Attica
State Indiana
Latitude 40.1209
Longitude -87.2420
Population 16,617
Density 42.02 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: $62,542
Median individual: $36,476

Race

Mode: 93.4% White

Gender

 50.0% female 

Rent

  $843 / month  

Median house value: $141,241.0

Age

Median: 42.7 years old

Education

With at least college degree: 14.7%
With STEM degree: 34.2%

Marital Status

 52.3% married 

Never married: 25.1%

Labor Force Participation

 62.8% working 

Unemployed: 4.7%

Average Family Size

 2.87 people 

Commute Time

 25.1 minutes 

Health Care

 6.6% uninsured 

Poverty

 12.4%

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

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