County Maps US

Oliver County, North Dakota

A county in North Dakota, ranked 47 of 53 by population.

CountyFIPS 38065

Within North Dakota
Oliver County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Center, the county seat, located via the 2025 Census Gazetteer.

Download SVGFull North Dakota map downloads

Population
1,898
+32 (+1.7%) since 2020
Land area
722.4
square miles. A further 1.2% of the total area is water
Population density
2.6
people per square mile, computed rather than published
County seat
Center
Seat of county government.
Established
1885
140 years ago
Largest city
Center city
Population 583.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Oliver County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Oliver County, North Dakota from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 460 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Oliver County ranks

Position among the 53 counties of North Dakota, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn North DakotaNationally
Population1,89847th of 533,049th of 3,144
Land area722.4 sq mi49th of 531,236th of 3,144
Population density2.6 per sq mi35th of 532,938th of 3,144
Median household income$77,24021st of 53715th of 3,143

Full data for Oliver County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population1,898Vintage 2025 Population Estimates
Population in 20201,866Vintage 2025 Population Estimates
2020 estimates base?1,872Vintage 2025 Population Estimates
Land area722.4 sq mi2025 Gazetteer Files
Water area8.7 sq mi2025 Gazetteer Files
Total area731.1 sq mi2025 Gazetteer Files
Population density?2.6 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$77,240American Community Survey 2020-2024 5-Year Estimates
Median home value$215,700American Community Survey 2020-2024 5-Year Estimates
Median age46.1American Community Survey 2020-2024 5-Year Estimates
Households725American Community Survey 2020-2024 5-Year Estimates
Housing units893American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
+9
14 births, 5 deaths
Net migration
+6
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 4 areas bordering Oliver County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Mercer CountyNorth Dakota43 mi8,441
Morton CountyNorth Dakota39 mi34,601
McLean CountyNorth Dakota24 mi9,740
Burleigh CountyNorth Dakota15 mi103,251

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 53 counties of North Dakota

Open the interactive North Dakota county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.