County Maps US

LaMoure County, North Dakota

A county in North Dakota, ranked 25 of 53 by population.

CountyFIPS 38045

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

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Population
4,135
+40 (+1.0%) since 2020
Land area
1,146
square miles. A further 0.4% of the total area is water
Population density
3.6
people per square mile, computed rather than published
County seat
LaMoure
Seat of county government.
Established
1873
152 years ago
Largest city
LaMoure city
Population 758.

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 LaMoure 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 LaMoure 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 446 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 LaMoure 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
Population4,13525th of 532,875th of 3,144
Land area1,146 sq mi29th of 53540th of 3,144
Population density3.6 per sq mi28th of 532,860th of 3,144
Median household income$80,66416th of 53555th of 3,143

Full data for LaMoure County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population4,135Vintage 2025 Population Estimates
Population in 20204,095Vintage 2025 Population Estimates
2020 estimates base?4,086Vintage 2025 Population Estimates
Land area1,146 sq mi2025 Gazetteer Files
Water area5.0 sq mi2025 Gazetteer Files
Total area1,151 sq mi2025 Gazetteer Files
Population density?3.6 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$80,664American Community Survey 2020-2024 5-Year Estimates
Median home value$117,200American Community Survey 2020-2024 5-Year Estimates
Median age46.5American Community Survey 2020-2024 5-Year Estimates
Households1,745American Community Survey 2020-2024 5-Year Estimates
Housing units2,066American 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
+4
48 births, 44 deaths
Net migration
+66
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 6 areas bordering LaMoure 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
Dickey CountyNorth Dakota46 mi4,895
Stutsman CountyNorth Dakota28 mi21,414
Ransom CountyNorth Dakota24 mi5,617
Logan CountyNorth Dakota24 mi1,859
Barnes CountyNorth Dakota19 mi10,573
McIntosh CountyNorth Dakota1.6 mi2,451

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.