Benson County area

Benson County, North Dakota covers 1,439.4 square miles: 1,388.6 square miles of land and 50.8 square miles of water. Its county seat is Minnewaukan. An estimated 5,759 people lived there in 2025.

Official Census measurements · GEOID 380052026 Gazetteer · retrieved September 27, 2026
Land area1,388.6 mi²
Water area50.8 mi²
Population (2025)5,759
People per mi²4.1

County outline

Generalized outline of Benson County, North Dakota
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Benson County is located

Benson County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 96.5% of Benson County’s measured area and water for 3.5%. Its combined area converts to 3,728 square kilometers or approximately 921,213 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land1,388.5553,596.341888,675.2
Water50.841131.67832,538.2
Total1,439.3963,728.019921,213.4

How Benson County compares

By original Census land area, Benson County ranks #19 of 53 in North Dakota and #439 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.195 times the North Dakota county-equivalent median of 1,161.8 square miles. It accounts for 2% of the combined county land area in the state.

See the complete North Dakota ranking · What counts as a county equivalent?

Population and density of Benson County

The Census Bureau estimates that 5,759 people lived in Benson County on July 1, 2025. That ranks #2,828 of 3,222 county equivalents nationally and #21 of 53 in North Dakota. Since the April 1, 2020 estimates base of 5,959, the population has declined by 200 (−3.4%), compared with +2.6% for North Dakota as a whole.

With 1,388.6 square miles of land, that is 4.1 people per square mile (1.6 per km²), placing Benson County #2,893 nationally for density and #24 in North Dakota. The median county equivalent has 47 people per square mile; the North Dakota median is 3.7. Put another way, there are about 154 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate5,9405,7715,7865,7665,7315,759
Change—−169+15−20−35+28

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Benson County

9 incorporated places lie at least partly in Benson County. Together they are home to 1,295 people (22.5%); the other 4,464 (77.5%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Leeds city, with 424 residents in the county. The county seat, Minnewaukan city, has 190 residents. By land, Maddock city is the largest at 0.882 mi².

Incorporated placePopulation 2025Since 2020Land mi²
Leeds city424−4.1%0.633
Maddock city384−4%0.882
Minnewaukan cityCounty seat190−2.1%0.483
Oberon city93−4.1%0.35
Esmond city91−3.2%0.455
Warwick city51−3.8%0.65
Brinsmade city28−3.4%0.273
Knox city20−4.8%0.482
York city14−6.7%0.209

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Benson County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Benson County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.

ZIP codes

18 ZIP Code Tabulation Areas have land in Benson County; 10 of them have most of their land inside the county, and the others mainly cover neighboring areas.

583015832458325583325833558341583435834658348583515835758368583705837458379583805838158386

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Benson County

Benson County shares a land border with 6 county equivalents. It has more land than every one of them. The largest neighbor is Wells County (1,270.5 mi²) and the smallest is Eddy County (630.2 mi²). Together with its neighbors, Benson County forms a block of 7,499.9 mi² of land, of which it holds 18.5%.

Map of Benson County and the 6 county equivalents that border it Ramsey County, North Dakota: 1,185.4 mi² landPierce County, North Dakota: 1,018.3 mi² landEddy County, North Dakota: 630.2 mi² landWells County, North Dakota: 1,270.5 mi² landTowner County, North Dakota: 1,025.1 mi² landNelson County, North Dakota: 981.8 mi² land
Benson County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. BensonCompare
Wells County1,270.51.1× smallerCompare
Ramsey County1,185.41.2× smallerCompare
Towner County1,025.11.4× smallerCompare
Pierce County1,018.31.4× smallerCompare
Nelson County981.81.4× smallerCompare
Eddy County630.22.2× smallerCompare

How big is Benson County compared with U.S. states?

Benson County has more land than 1 of the 50 states. It is about 1.3 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.4 times as much land (1,948.6 mi²). North Dakota’s county land could hold about 50 areas the size of Benson County.

Land area: Benson County and the closest-sized states
Rhode Island1,033.9 mi²
Benson County1,388.6 mi²
Delaware1,948.6 mi²

Another way to picture it: the same land area would fill a square about 37.3 miles (60 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Benson County?

Benson County has more land than 2,783 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Benson County1,388.6 mi²
North Dakota median1,161.8 mi²
National median604.5 mi²

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Benson County at #477 nationally by total area, 38 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 3.5%, compared with a national county-equivalent median of 1.2% — 2.4 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Benson County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#438Todd County, South Dakota1,388.6Compare
#439Benson County, North Dakota1,388.6This county
#440Brazoria County, Texas1,363.3Compare

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.

Representative coordinates

The Census internal point is 48.071743, -99.351152. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.

Source and precision

U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 3,596,341,554 m²; AWATER: 131,677,669 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Benson County?

Benson County, North Dakota has 1,388.6 square miles (3,596.3 km²) of land and 50.8 square miles of water, for a total area of 1,439.4 square miles. It ranks #439 of 3,222 U.S. county equivalents by land area.

Is Benson County the largest county in North Dakota?

No. Benson County ranks #19 of 53 in North Dakota by land area. The largest is McKenzie County, with 2,760.1 square miles of land.

What counties border Benson County?

Benson County shares a land border with Ramsey County, Pierce County, Eddy County, Wells County, Towner County, and Nelson County.

What is the population of Benson County?

The Census Bureau estimates Benson County had 5,759 residents on July 1, 2025, ranking #2,828 of 3,222 county equivalents. That is 4.1 people per square mile of land.

What is the county seat of Benson County?

The county seat of Benson County is Minnewaukan.

What cities and towns are in Benson County?

Benson County has 9 incorporated places. The most populous five are Leeds city, Maddock city, Minnewaukan city, Oberon city, and Esmond city; 4,464 residents live outside any incorporated place.

Is Benson County part of a metropolitan area?

No. Benson County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Benson County?

18 ZIP Code Tabulation Areas have land in Benson County, and 10 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Benson County compare with U.S. states?

It has more land than 1 of the 50 states, including Rhode Island (1,033.9 square miles of land).

How many acres of land are in Benson County?

The land measurement converts to approximately 888,675 acres. Including water, total area is approximately 921,213 acres. One square mile equals 640 acres.

Why might another source show a different area?

Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.

Can this establish a property boundary?

No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.

Cite this county

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