Wells County area

Wells County, North Dakota covers 1,290.3 square miles: 1,270.5 square miles of land and 19.8 square miles of water. Its county seat is Fessenden. An estimated 3,729 people lived there in 2025.

Official Census measurements · GEOID 381032026 Gazetteer · retrieved September 27, 2026
Land area1,270.5 mi²
Water area19.8 mi²
Population (2025)3,729
People per mi²2.9

County outline

Generalized outline of Wells 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 Wells County is located

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

Area breakdown

Land accounts for 98.5% of Wells County’s measured area and water for 1.5%. Its combined area converts to 3,341.8 square kilometers or approximately 825,784 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land1,270.5353,290.671813,142.4
Water19.75351.1612,641.9
Total1,290.2883,341.831825,784.3

How Wells County compares

By original Census land area, Wells County ranks #23 of 53 in North Dakota and #474 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.094 times the North Dakota county-equivalent median of 1,161.8 square miles. It accounts for 1.8% 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 Wells County

The Census Bureau estimates that 3,729 people lived in Wells County on July 1, 2025. That ranks #2,977 of 3,222 county equivalents nationally and #28 of 53 in North Dakota. Since the April 1, 2020 estimates base of 3,978, the population has declined by 249 (−6.3%), compared with +2.6% for North Dakota as a whole.

With 1,270.5 square miles of land, that is 2.9 people per square mile (1.1 per km²), placing Wells County #2,987 nationally for density and #32 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 218 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate3,9633,8933,9073,8593,7873,729
Change—−70+14−48−72−58

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 Wells County

7 incorporated places lie at least partly in Wells County. Together they are home to 2,284 people (61.2%); the other 1,445 (38.8%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Harvey city, with 1,532 residents in the county. The county seat, Fessenden city, has 437 residents.

Incorporated placePopulation 2025Since 2020Land mi²
Harvey city1,532−6.7%1.796
Fessenden cityCounty seat437−5.6%0.441
Bowdon city131−5.1%0.251
Sykeston city95−7.8%0.395
Hurdsfield city58−7.9%0.29
Cathay city19−5%0.184
Hamberg city12−7.7%0.407

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

Metropolitan area

Wells 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

12 ZIP Code Tabulation Areas have land in Wells County; 7 of them have most of their land inside the county, and the others mainly cover neighboring areas.

583415834858356583745841858421584225842358438584515848658758

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 Wells County

Wells County shares a land border with 7 county equivalents. It has more land than 4 of them. The largest neighbor is Stutsman County (2,221.9 mi²) and the smallest is Eddy County (630.2 mi²). Together with its neighbors, Wells County forms a block of 9,486.9 mi² of land, of which it holds 13.4%.

Map of Wells County and the 7 county equivalents that border it Sheridan County, North Dakota: 972.2 mi² landKidder County, North Dakota: 1,351.1 mi² landBenson County, North Dakota: 1,388.6 mi² landEddy County, North Dakota: 630.2 mi² landFoster County, North Dakota: 634.1 mi² landPierce County, North Dakota: 1,018.3 mi² landStutsman County, North Dakota: 2,221.9 mi² land
Wells 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. WellsCompare
Stutsman County2,221.91.7× largerCompare
Benson County1,388.61.1× largerCompare
Kidder County1,351.11.1× largerCompare
Pierce County1,018.31.2× smallerCompare
Sheridan County972.21.3× smallerCompare
Foster County634.12× smallerCompare
Eddy County630.22× smallerCompare

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

Wells County has more land than 1 of the 50 states. It is about 1.2 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.5 times as much land (1,948.6 mi²). North Dakota’s county land could hold about 54 areas the size of Wells County.

Land area: Wells County and the closest-sized states
Rhode Island1,033.9 mi²
Wells County1,270.5 mi²
Delaware1,948.6 mi²

Another way to picture it: the same land area would fill a square about 35.6 miles (57.4 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 Wells County?

Wells County has more land than 2,748 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Wells County1,270.5 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 Wells County at #540 nationally by total area, 66 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 1.5%, compared with a national county-equivalent median of 1.2% — 0.4 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 Wells County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#473Lewis County, New York1,276.3Compare
#474Wells County, North Dakota1,270.5This county
#475Walla Walla County, Washington1,270Compare

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 47.580851, -99.682213. 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: 3,290,670,789 m²; AWATER: 51,160,941 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 Wells County?

Wells County, North Dakota has 1,270.5 square miles (3,290.7 km²) of land and 19.8 square miles of water, for a total area of 1,290.3 square miles. It ranks #474 of 3,222 U.S. county equivalents by land area.

Is Wells County the largest county in North Dakota?

No. Wells County ranks #23 of 53 in North Dakota by land area. The largest is McKenzie County, with 2,760.1 square miles of land.

What counties border Wells County?

Wells County shares a land border with Sheridan County, Kidder County, Benson County, Eddy County, Foster County, Pierce County, and Stutsman County.

What is the population of Wells County?

The Census Bureau estimates Wells County had 3,729 residents on July 1, 2025, ranking #2,977 of 3,222 county equivalents. That is 2.9 people per square mile of land.

What is the county seat of Wells County?

The county seat of Wells County is Fessenden.

What cities and towns are in Wells County?

Wells County has 7 incorporated places. The most populous five are Harvey city, Fessenden city, Bowdon city, Sykeston city, and Hurdsfield city; 1,445 residents live outside any incorporated place.

Is Wells County part of a metropolitan area?

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

How many ZIP codes are in Wells County?

12 ZIP Code Tabulation Areas have land in Wells County, and 7 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Wells 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 Wells County?

The land measurement converts to approximately 813,142 acres. Including water, total area is approximately 825,784 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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