Costilla   County CO United States

County FIPS 08023
Largest City San Luis
State Colorado
Latitude 37.2781
Longitude -105.4282
Population 3,607
Density 2.93 people per square mile
Time Zone America/Denver
  • 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: $36,861
Median individual: $25,877

Race

Mode: 44.2% White

Gender

 51.3% male 

Rent

  $927 / month  

Median house value: $179,973.0

Age

Median: 50.5 years old

Education

With at least college degree: 24.8%
With STEM degree: 45.1%

Marital Status

 52.3% married 

Never married: 23.4%

Labor Force Participation

 44.0% working 

Unemployed: 3.5%

Average Family Size

 2.79 people 

Commute Time

 26.1 minutes 

Health Care

 8.5% uninsured 

Poverty

 21.0%

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

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