Harper   County OK United States

County FIPS 40059
Largest City Buffalo
State Oklahoma
Latitude 36.7888
Longitude -99.6673
Population 3,203
Density 3.08 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: $64,053
Median individual: $37,643

Race

Mode: 73.2% White

Gender

 51.5% female 

Rent

  $828 / month  

Median house value: $100,917.0

Age

Median: 40.9 years old

Education

With at least college degree: 29.4%
With STEM degree: 58.1%

Marital Status

 64.4% married 

Never married: 16.7%

Labor Force Participation

 60.1% working 

Unemployed: 2.6%

Average Family Size

 2.87 people 

Commute Time

 19.4 minutes 

Health Care

 14.1% uninsured 

Poverty

 13.1%

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

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