County · code 38065
Oliver CountyNorth Dakota
Oliver County is a county in North Dakota with its seat in Center. The county was established in 1885 and became part of North Dakota when the state was formed in 1889.
- Founded1885
- County seatCenter
- Land area722 sq mi + 8.7 sq mi water
- Population1,877 2020 Census
- Parcels mapped7,705 checked 14 October 2026
Where it is
Oliver on the map of North Dakota
North Dakota has 53 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1885 from Mercer County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Oliver County was created by Dakota Territory in 1885 from Mercer County. When North Dakota became a state in 1889, Oliver County became a county within the new state.
- 1885Oliver County created Oliver created by Dakota Territory in present North Dakota from Mercer. · Dak. Terr. Laws 1885, 16th sess., ch. 31, secs. 2-5/pp. 266-267; Hall, 209-210
- 1889Became part of North Dakota Oliver became a county in the state of North Dakota · U.S. Stat., vol. 25, ch. 180[1889]/pp. 676-684 and vol. 26, no. 5/pp. 1548-1549; Swindler, 7:526-527; Van Zandt, 134
Land and parcels
What the maps cover in Oliver
Who publishes each layer, how good it is, and when we last checked.
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Parcels Good enough
Lot lines and tax-map numbers for 7,705 parcels from State of North Dakota GIS Hub (NDIT; State Parcel Program, counties as custodians). Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
edited 12 October 2026 · checked 14 October 2026 -
Address points Official
One point per address, 1,298 in all from State of North Dakota — NDGISHUB / ND Department of Emergency Services (owner NDGISHDP-DES).
edited 12 October 2026 · checked 13 October 2026 -
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
Oliver 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
Oliver County's official site
We have found the county's site but not its offices yet; start there.
County government
- County government
The official website of Oliver County.
See your own lot on these maps
Open Oliver 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 Oliver County
- When was Oliver County founded?
- Oliver County was founded in 1885, formed from Mercer County.
- What is the county seat of Oliver County?
- The county seat of Oliver County is Center.
- Is there an online parcel map for Oliver County?
- Yes. State of North Dakota GIS Hub (NDIT; State Parcel Program, counties as custodians) publishes a parcel map of 7,705 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Oliver County's boundary or name changed?
- Oliver County was created in 1885 from Mercer County. Since then the Atlas of Historical County Boundaries records 1 later change.
- Is my lot in a flood zone?
- We do not have flood maps for Oliver County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby