Arapahoe   County CO United States

County FIPS 08005
Largest City Aurora
State Colorado
Latitude 39.6498
Longitude -104.3393
Population 659,844
Density 827.2 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: $101,087
Median individual: $50,948

Race

Mode: 59.2% White

Gender

 50.1% female 

Rent

  $1891 / month  

Median house value: $560,984.0

Age

Median: 37.3 years old

Education

With at least college degree: 46.5%
With STEM degree: 48.0%

Marital Status

 49.9% married 

Never married: 33.4%

Labor Force Participation

 71.7% working 

Unemployed: 5.0%

Average Family Size

 3.14 people 

Commute Time

 27.1 minutes 

Health Care

 9.3% uninsured 

Poverty

 8.6%

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

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