Dickey County area

Dickey County, North Dakota covers 1,142.2 square miles: 1,131.5 square miles of land and 10.7 square miles of water. Its county seat is Ellendale. An estimated 4,895 people lived there in 2025.

Official Census measurements · GEOID 380212026 Gazetteer · retrieved September 27, 2026
Land area1,131.5 mi²
Water area10.7 mi²
Population (2025)4,895
People per mi²4.3

County outline

Generalized outline of Dickey 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 Dickey County is located

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

Area breakdown

Land accounts for 99.1% of Dickey County’s measured area and water for 0.9%. Its combined area converts to 2,958.2 square kilometers or approximately 730,980 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land1,131.4932,930.553724,155.5
Water10.66427.626,825
Total1,142.1572,958.173730,980.5

How Dickey County compares

By original Census land area, Dickey County ranks #31 of 53 in North Dakota and #556 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.974 times the North Dakota county-equivalent median of 1,161.8 square miles. It accounts for 1.6% 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 Dickey County

The Census Bureau estimates that 4,895 people lived in Dickey County on July 1, 2025. That ranks #2,896 of 3,222 county equivalents nationally and #24 of 53 in North Dakota. Since the April 1, 2020 estimates base of 5,000, the population has declined by 105 (−2.1%), compared with +2.6% for North Dakota as a whole.

With 1,131.5 square miles of land, that is 4.3 people per square mile (1.7 per km²), placing Dickey County #2,877 nationally for density and #22 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 148 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate4,9724,9104,9434,9354,9154,895
Change—−62+33−8−20−20

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 Dickey County

6 incorporated places lie at least partly in Dickey County. Together they are home to 3,031 people (61.9%); the other 1,864 (38.1%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Oakes city, with 1,765 residents in the county. The county seat, Ellendale city, has 1,129 residents.

Incorporated placePopulation 2025Since 2020Land mi²
Oakes city1,765−1.6%1.565
Ellendale cityCounty seat1,129−2.8%1.417
Fullerton city56−3.4%0.39
Forbes city36−2.7%0.242
Monango city30−3.2%0.377
Ludden city15−6.3%0.798

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

Metropolitan area

Dickey 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

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

5841358433584365843958441584565845858474

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 Dickey County

Dickey County shares a land border with 6 county equivalents, including 2 in South Dakota. It has more land than 3 of them. The largest neighbor is Brown County (1,713 mi²) and the smallest is Sargent County (858.5 mi²). Together with its neighbors, Dickey County forms a block of 7,822.7 mi² of land, of which it holds 14.5%.

Map of Dickey County and the 6 county equivalents that border it LaMoure County, North Dakota: 1,146 mi² landBrown County, South Dakota: 1,713 mi² landMcIntosh County, North Dakota: 974.6 mi² landSargent County, North Dakota: 858.5 mi² landMcPherson County, South Dakota: 1,136.7 mi² landRansom County, North Dakota: 862.5 mi² land
Dickey 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. DickeyCompare
Brown CountySouth Dakota1,7131.5× largerCompare
LaMoure County1,146about the sameCompare
McPherson CountySouth Dakota1,136.7about the sameCompare
McIntosh County974.61.2× smallerCompare
Ransom County862.51.3× smallerCompare
Sargent County858.51.3× smallerCompare

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

Dickey County has more land than 1 of the 50 states. It is about 1.1 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.7 times as much land (1,948.6 mi²). North Dakota’s county land could hold about 61 areas the size of Dickey County.

Land area: Dickey County and the closest-sized states
Rhode Island1,033.9 mi²
Dickey County1,131.5 mi²
Delaware1,948.6 mi²

Another way to picture it: the same land area would fill a square about 33.6 miles (54.1 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 Dickey County?

Dickey County has more land than 2,666 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Dickey County1,131.5 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 Dickey County at #631 nationally by total area, 75 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 0.9%, compared with a national county-equivalent median of 1.2% — 0.2 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 Dickey County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#555Hettinger County, North Dakota1,132.2Compare
#556Dickey County, North Dakota1,131.5This county
#557Edmunds County, South Dakota1,126Compare

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 46.107756, -98.496518. 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: 2,930,554,389 m²; AWATER: 27,619,630 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 Dickey County?

Dickey County, North Dakota has 1,131.5 square miles (2,930.6 km²) of land and 10.7 square miles of water, for a total area of 1,142.2 square miles. It ranks #556 of 3,222 U.S. county equivalents by land area.

Is Dickey County the largest county in North Dakota?

No. Dickey County ranks #31 of 53 in North Dakota by land area. The largest is McKenzie County, with 2,760.1 square miles of land.

What counties border Dickey County?

Dickey County shares a land border with LaMoure County, Brown County, South Dakota, McIntosh County, Sargent County, McPherson County, South Dakota, and Ransom County.

What is the population of Dickey County?

The Census Bureau estimates Dickey County had 4,895 residents on July 1, 2025, ranking #2,896 of 3,222 county equivalents. That is 4.3 people per square mile of land.

What is the county seat of Dickey County?

The county seat of Dickey County is Ellendale.

What cities and towns are in Dickey County?

Dickey County has 6 incorporated places. The most populous five are Oakes city, Ellendale city, Fullerton city, Forbes city, and Monango city; 1,864 residents live outside any incorporated place.

Is Dickey County part of a metropolitan area?

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

How many ZIP codes are in Dickey County?

8 ZIP Code Tabulation Areas have land in Dickey 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 Dickey 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 Dickey County?

The land measurement converts to approximately 724,156 acres. Including water, total area is approximately 730,980 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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