County · code 40039
Custer CountyOklahoma
Custer County is a county in Oklahoma, with its seat in Arapaho. The county was formed in 1892 and covers 988.8 square miles.
- Founded1892
- County seatArapaho
- Named forGeorge Armstrong Custer
- Land area989 sq mi + 13 sq mi water
- Population28,513 2020 Census
- Parcels mapped19,050 checked 14 October 2026
Where it is
Custer on the map of Oklahoma
Oklahoma has 77 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Founded in 1892
An old deed may name a county that no longer exists, or a boundary that has since moved.
Custer County was formed in 1892, and named after George Armstrong Custer. Arapaho is the county seat.
- 1891Custer County created County G, which became Custer, was created from non-county area in Oklahoma Territory by proclamation of the U. S. Asst. Secretary of the Interior.from U. S.· "Will Open," Weekly Oklahoma State Capital [newspaper], 25 July 1891; Morris, 119-120; Morris, Goins, and McReynolds, map 54
- 1901Gained territory Custer gained part of County I (Okla. Terr., extinct; the Wichita Indian Reservation); County I eliminated.from County I· "President's Proclamation, The Boundary Lines," The Daily Oklahoman [newspaper], 9 July 1901; Morris, 124
- 1907Became part of Oklahoma Custer became a county in the state of Oklahoma. · Okla. Constitution [1907], art. 17, sec. 8; Swindler, 8:144-145
Land and parcels
What the maps cover in Custer
Who publishes each layer, how good it is, and when we last checked.
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Parcels Official
Lot lines and tax-map numbers for 19,050 parcels from Custer County. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 14 October 2026 -
Address points Missing
No public address points layer found for Custer County yet.
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Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Custer by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Who to ask before you build, dig or sell
Official county pages only. We link to them; we do not copy them, because they change.
Inside a city or town, permits usually come from that city rather than the county.
Permits
County government
- County government
The official website of Custer County.
See your own lot on these maps
Open Custer County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Custer County
- When was Custer County founded?
- Custer County was founded in 1892, and named after George Armstrong Custer.
- What is the county seat of Custer County?
- The county seat of Custer County is Arapaho.
- Is there an online parcel map for Custer County?
- Yes. Custer County publishes a parcel map of 19,050 parcels, rated official here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Custer County's boundary or name changed?
- Custer County was created in 1891. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving County I.
- Who issues building permits in Custer County?
- The county's page on building permits: Permits. Inside a city or town, ask that city first.
- Is my lot in a flood zone?
- We do not have flood maps for Custer County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby