Dundy County area

Dundy County, Nebraska covers 920.9 square miles: 919.7 square miles of land and 1.176 square miles of water. Its county seat is Benkelman. An estimated 1,568 people lived there in 2025.

Official Census measurements · GEOID 310572026 Gazetteer · retrieved September 27, 2026
Land area919.7 mi²
Water area1.176 mi²
Population (2025)1,568
People per mi²1.7

County outline

Generalized outline of Dundy County, Nebraska
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 Dundy County is located

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

Area breakdown

Land accounts for 99.9% of Dundy County’s measured area and water for 0.1%. Its combined area converts to 2,385 square kilometers or approximately 589,347 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land919.6782,381.955588,593.9
Water1.1763.046752.6
Total920.8542,385.001589,346.6

How Dundy County compares

By original Census land area, Dundy County ranks #20 of 93 in Nebraska and #797 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.599 times the Nebraska county-equivalent median of 575.2 square miles. It accounts for 1.2% of the combined county land area in the state.

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

Population and density of Dundy County

The Census Bureau estimates that 1,568 people lived in Dundy County on July 1, 2025. That ranks #3,153 of 3,222 county equivalents nationally and #79 of 93 in Nebraska. Since the April 1, 2020 estimates base of 1,657, the population has declined by 89 (−5.4%), compared with +2.9% for Nebraska as a whole.

With 919.7 square miles of land, that is 1.7 people per square mile (0.66 per km²), placing Dundy County #3,090 nationally for density and #77 in Nebraska. The median county equivalent has 47 people per square mile; the Nebraska median is 8. Put another way, there are about 375 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate1,6541,6301,6051,5591,5691,568
Change—−24−25−46+10−1

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 Dundy County

2 incorporated places lie at least partly in Dundy County. Together they are home to 910 people (58%); the other 658 (42%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Benkelman city, with 771 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Benkelman cityCounty seat771−6.7%1.199
Haigler village139−4.1%0.243

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

Metropolitan area

Dundy 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

7 ZIP Code Tabulation Areas have land in Dundy County; 4 of them have most of their land inside the county, and the others mainly cover neighboring areas.

69021690276903069037690416904369045

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 Dundy County

Dundy County shares a land border with 6 county equivalents, including 3 in Kansas and Colorado. It has more land than 3 of them. The largest neighbor is Yuma County (2,364.4 mi²) and the smallest is Hitchcock County (710 mi²). Together with its neighbors, Dundy County forms a block of 7,690.8 mi² of land, of which it holds 12%.

Map of Dundy County and the 6 county equivalents that border it Chase County, Nebraska: 894.4 mi² landCheyenne County, Kansas: 1,019.9 mi² landHitchcock County, Nebraska: 710 mi² landYuma County, Colorado: 2,364.4 mi² landRawlins County, Kansas: 1,069.4 mi² landHayes County, Nebraska: 713.1 mi² land
Dundy 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. DundyCompare
Yuma CountyColorado2,364.42.6× largerCompare
Rawlins CountyKansas1,069.41.2× largerCompare
Cheyenne CountyKansas1,019.91.1× largerCompare
Chase County894.4about the sameCompare
Hayes County713.11.3× smallerCompare
Hitchcock County7101.3× smallerCompare

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

Dundy County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.1 times as much. Nebraska’s county land could hold about 84 areas the size of Dundy County.

Land area: Dundy County and the closest-sized states
Dundy County919.7 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 30.3 miles (48.8 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 Dundy County?

Dundy County has more land than 2,425 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Dundy County919.7 mi²
Nebraska median575.2 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 Dundy County at #900 nationally by total area, 103 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 0.1%, compared with a national county-equivalent median of 1.2% — 1 percentage points lower. 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 Dundy County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#796Hansford County, Texas919.8Compare
#797Dundy County, Nebraska919.7This county
#798Kay County, Oklahoma919.6Compare

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 40.180165, -101.681133. 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: 2,381,956,205 m²; AWATER: 3,046,331 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 Dundy County?

Dundy County, Nebraska has 919.7 square miles (2,382 km²) of land and 1.176 square miles of water, for a total area of 920.9 square miles. It ranks #797 of 3,222 U.S. county equivalents by land area.

Is Dundy County the largest county in Nebraska?

No. Dundy County ranks #20 of 93 in Nebraska by land area. The largest is Cherry County, with 5,960.1 square miles of land.

What counties border Dundy County?

Dundy County shares a land border with Chase County, Cheyenne County, Kansas, Hitchcock County, Yuma County, Colorado, Rawlins County, Kansas, and Hayes County.

What is the population of Dundy County?

The Census Bureau estimates Dundy County had 1,568 residents on July 1, 2025, ranking #3,153 of 3,222 county equivalents. That is 1.7 people per square mile of land.

What is the county seat of Dundy County?

The county seat of Dundy County is Benkelman.

What cities and towns are in Dundy County?

Dundy County has 2 incorporated places. The most populous are Benkelman city and Haigler village; 658 residents live outside any incorporated place.

Is Dundy County part of a metropolitan area?

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

How many ZIP codes are in Dundy County?

7 ZIP Code Tabulation Areas have land in Dundy County, and 4 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 1.1 times as much land.

How many acres of land are in Dundy County?

The land measurement converts to approximately 588,594 acres. Including water, total area is approximately 589,347 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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