County outline
Where Dundy County is located
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
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 919.678 | 2,381.955 | 588,593.9 |
| Water | 1.176 | 3.046 | 752.6 |
| Total | 920.854 | 2,385.001 | 589,346.6 |
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.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 1,654 | 1,630 | 1,605 | 1,559 | 1,569 | 1,568 |
| 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 place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Benkelman cityCounty seat | 771 | −6.7% | 1.199 |
| Haigler village | 139 | −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%.
| Bordering county equivalent | Land mi² | Size vs. Dundy | Compare |
|---|---|---|---|
| Yuma CountyColorado | 2,364.4 | 2.6× larger | Compare |
| Rawlins CountyKansas | 1,069.4 | 1.2× larger | Compare |
| Cheyenne CountyKansas | 1,019.9 | 1.1× larger | Compare |
| Chase County | 894.4 | about the same | Compare |
| Hayes County | 713.1 | 1.3× smaller | Compare |
| Hitchcock County | 710 | 1.3× smaller | Compare |
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.
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.
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 rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #796 | Hansford County, Texas | 919.8 | Compare |
| #797 | Dundy County, Nebraska | 919.7 | This county |
| #798 | Kay County, Oklahoma | 919.6 | Compare |
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.
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.