Marshall   County IN United States

County FIPS 18099
Largest City Plymouth
State Indiana
Latitude 41.3248
Longitude -86.2618
Population 46,284
Density 104.35 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: $71,808
Median individual: $39,298

Race

Mode: 87.9% White

Gender

 50.5% male 

Rent

  $938 / month  

Median house value: $204,750.0

Age

Median: 39.8 years old

Education

With at least college degree: 20.9%
With STEM degree: 37.0%

Marital Status

 52.9% married 

Never married: 28.4%

Labor Force Participation

 62.9% working 

Unemployed: 2.6%

Average Family Size

 3.16 people 

Commute Time

 22.3 minutes 

Health Care

 12.9% uninsured 

Poverty

 11.7%

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

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