Greer County, Oklahoma
Greer County, Oklahoma, has 5,373 residents (July 2025 estimate). Its county seat is Mangum. It uses Central Time and covers 639 sq mi (1,656 km²) of land.
- Resident population, July 2025
- 5,373
- Land area
- 639 sq mi (1,656 km²)
- County seat or government
- Mangum
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $59,406 ± $6,494
- Median home value
- $109,100 ± $16,423
- Median rent, with utilities
- $681 ± $46
- Homes lived in by their owners
- 78% ± 5.5 points
- County type
- County
- Metro or micro area
- Outside any metro or micro areaNext to: Altus, OK micro area and Elk City, OK micro area
- Water area
- 4.3 sq mi (11.1 km²)
- State
- Oklahoma
- County code (FIPS)
- 40055
- Coordinates (central point)
- 34.933853, -99.552968
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 Greer County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-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
4 ZIP Code areas overlap Greer 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 Greer County, largest first
- Sayre Public Schools5,722 people
- Merritt Public Schools3,295 people
- Mangum Public Schools3,268 people
- Hollis Public Schools2,392 people
- Granite Public Schools2,128 people
- Blair Public Schools1,828 people
- Navajo Public Schools1,689 people
- Erick Public Schools1,272 people
- Lone Wolf Public Schools829 people
- Duke Public Schools512 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.
Tribal areas in Greer County, largest first
American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Mangum, Oklahoma (city)2,755 people
- Granite, Oklahoma (town)1,650 people
- Willow, Oklahoma (town)140 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Harmon County, Oklahoma21 mi southwest
- Beckham County, Oklahoma25 mi north
- Jackson County, Oklahoma25 mi south
- Kiowa County, Oklahoma32 mi east
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.