Geographic reference
Harper County, Oklahoma
Harper County is a county or county-equivalent in Oklahoma.
Reference details
- State
- Oklahoma (OK)
- Census GEOID
- 40059
- Land area
- 2,689.92 km²
- Water area
- 5.259 km²
- Representative point
- 36.80035, -99.662805
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.