Stephens   County OK United States

County FIPS 40137
Largest City Duncan
State Oklahoma
Latitude 34.4856
Longitude -97.8515
Population 43,551
Density 50.05 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: $61,620
Median individual: $33,421

Race

Mode: 80.0% White

Gender

 51.1% female 

Rent

  $895 / month  

Median house value: $143,895.0

Age

Median: 41.0 years old

Education

With at least college degree: 20.6%
With STEM degree: 36.8%

Marital Status

 56.1% married 

Never married: 22.0%

Labor Force Participation

 54.6% working 

Unemployed: 5.2%

Average Family Size

 2.95 people 

Commute Time

 23.7 minutes 

Health Care

 12.6% uninsured 

Poverty

 18.0%

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

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