St. Martin   County LA United States

County FIPS 22099
Largest City Broussard
State Louisiana
Latitude 30.1291
Longitude -91.6083
Population 51,353
Density 69.64 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: $55,960
Median individual: $31,489

Race

Mode: 63.4% White

Gender

 50.9% female 

Rent

  $870 / month  

Median house value: $161,368.0

Age

Median: 40.1 years old

Education

With at least college degree: 16.8%
With STEM degree: 47.1%

Marital Status

 46.2% married 

Never married: 34.1%

Labor Force Participation

 58.1% working 

Unemployed: 4.0%

Average Family Size

 3.25 people 

Commute Time

 27.2 minutes 

Health Care

 6.1% uninsured 

Poverty

 15.3%

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

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