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Where am ILOCATED

Harper County, Oklahoma

Harper County, Oklahoma, has 3,172 residents (July 2025 estimate). Its county seat is Buffalo. It uses Central Time and covers 1,039 sq mi (2,690 km²) of land.

Oklahoma CityTulsaNorman
Harper County in Oklahoma
BuffaloLaverneRosstonMaySelman
Harper County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
3,172
Land area
1,039 sq mi (2,690 km²)
County seat or government
Buffalo
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$64,053 ± $10,380
Median home value
$99,200 ± $8,043
Median rent, with utilities
$828 ± $82
Homes lived in by their owners
83.6% ± 5.4 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Woodward, OK micro area
Water area
2.03 sq mi (5.26 km²)
State
Oklahoma
County code (FIPS)
40059
Coordinates (central point)
36.800350, -99.662805
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Harper County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 7380114,892 people
  2. 738481,555 people
  3. 738341,544 people
  4. 73842354 people
  5. 73844297 people
  6. 73855253 people
  7. 73851111 people

7 ZIP Code areas overlap Harper County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Harper County, largest first

  1. Woodward Public Schools13,891 people
  2. Laverne Public Schools1,896 people
  3. Buffalo Public Schools1,564 people
  4. Fort Supply Public Schools1,010 people
  5. Freedom Public Schools428 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Buffalo, Oklahoma (town)1,092 people
  2. Laverne, Oklahoma (town)904 people
  3. Rosston, Oklahoma (town)58 people
  4. May, Oklahoma (town)29 people
  5. Selman, Oklahoma (CDP)0 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Clark County, Kansas31 mi north
  2. Woodward County, Oklahoma34 mi southeast
  3. Comanche County, Kansas35 mi northeast
  4. Ellis County, Oklahoma40 mi south
  5. Woods County, Oklahoma45 mi east
  6. Beaver County, Oklahoma46 mi west

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.