Burleigh County area

Burleigh County, North Dakota covers 1,668.5 square miles: 1,632.7 square miles of land and 35.8 square miles of water. Its county seat is Bismarck. An estimated 103,251 people lived there in 2025.

Official Census measurements · GEOID 380152026 Gazetteer · retrieved September 27, 2026
Land area1,632.7 mi²
Water area35.8 mi²
Population (2025)103,251
People per mi²63

County outline

Generalized outline of Burleigh 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 Burleigh County is located

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

Area breakdown

Land accounts for 97.9% of Burleigh County’s measured area and water for 2.1%. Its combined area converts to 4,321.4 square kilometers or approximately 1,067,829 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land1,632.6954,228.6611,044,924.8
Water35.78892.6922,904.3
Total1,668.4834,321.3511,067,829.1

How Burleigh County compares

By original Census land area, Burleigh County ranks #13 of 53 in North Dakota and #371 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.405 times the North Dakota county-equivalent median of 1,161.8 square miles. It accounts for 2.4% 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 Burleigh County

The Census Bureau estimates that 103,251 people lived in Burleigh County on July 1, 2025. That ranks #614 of 3,222 county equivalents nationally and #2 of 53 in North Dakota. Since the April 1, 2020 estimates base of 98,459, the population has grown by 4,792 (+4.9%), compared with +2.6% for North Dakota as a whole.

With 1,632.7 square miles of land, that is 63 people per square mile (24 per km²), placing Burleigh County #1,348 nationally for density and #2 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 10 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate98,59399,370100,302101,082102,447103,251
Change—+777+932+780+1,365+804

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 Burleigh County

5 incorporated places lie at least partly in Burleigh County. Together they are home to 82,812 people (80.2%); the other 20,439 (19.8%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Bismarck city, with 77,963 residents in the county. Among places with at least 1,000 residents in 2020, Bismarck city grew fastest since then (+5.9%).

Incorporated placePopulation 2025Since 2020Land mi²
Bismarck cityCounty seat77,963+5.9%36.3
Lincoln city4,493+5.1%2.468
Wilton cityAlso in 1 other county184−1.1%0.556
Wing city137+2.2%0.638
Regan city350%1.014

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

Metropolitan area

Burleigh County is a central county of the Bismarck, ND Metropolitan Statistical Area. Its 3 county equivalents have 139,750 residents on 4,281 square miles of land; Burleigh County accounts for 38.1% of the land and 73.9% of the residents. By combined land it ranks #65 of 393 metropolitan areas, and #308 by population.

County equivalentPopulation 2025Land mi²
Burleigh County103,2511,632.7
Morton County34,6011,925.9
Oliver County1,898722.4

ZIP codes

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

58477584945850158503585045850558521585245853258558585605857258579

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 Burleigh County

Burleigh County shares a land border with 6 county equivalents. It has more land than 4 of them. The largest neighbor is McLean County (2,110.3 mi²) and the smallest is Oliver County (722.4 mi²). Together with its neighbors, Burleigh County forms a block of 10,222.9 mi² of land, of which it holds 16%.

Map of Burleigh County and the 6 county equivalents that border it Kidder County, North Dakota: 1,351.1 mi² landMorton County, North Dakota: 1,925.9 mi² landEmmons County, North Dakota: 1,508.4 mi² landSheridan County, North Dakota: 972.2 mi² landMcLean County, North Dakota: 2,110.3 mi² landOliver County, North Dakota: 722.4 mi² land
Burleigh 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. BurleighCompare
McLean County2,110.31.3× largerCompare
Morton County1,925.91.2× largerCompare
Emmons County1,508.41.1× smallerCompare
Kidder County1,351.11.2× smallerCompare
Sheridan County972.21.7× smallerCompare
Oliver County722.42.3× smallerCompare

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

Burleigh County has more land than 1 of the 50 states. It is about 1.6 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.2 times as much land (1,948.6 mi²). North Dakota’s county land could hold about 42 areas the size of Burleigh County.

Land area: Burleigh County and the closest-sized states
Rhode Island1,033.9 mi²
Burleigh County1,632.7 mi²
Delaware1,948.6 mi²

Another way to picture it: the same land area would fill a square about 40.4 miles (65 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 Burleigh County?

Burleigh County has more land than 2,851 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Burleigh County1,632.7 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 Burleigh County at #403 nationally by total area, 32 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 2.1%, compared with a national county-equivalent median of 1.2% — 1 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 Burleigh County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#370Butte County, California1,636.5Compare
#371Burleigh County, North Dakota1,632.7This county
#372Franklin County, New York1,629.3Compare

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 46.978829, -100.469533. 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: 4,228,659,202 m²; AWATER: 92,691,311 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 Burleigh County?

Burleigh County, North Dakota has 1,632.7 square miles (4,228.7 km²) of land and 35.8 square miles of water, for a total area of 1,668.5 square miles. It ranks #371 of 3,222 U.S. county equivalents by land area.

Is Burleigh County the largest county in North Dakota?

No. Burleigh County ranks #13 of 53 in North Dakota by land area. The largest is McKenzie County, with 2,760.1 square miles of land.

What counties border Burleigh County?

Burleigh County shares a land border with Kidder County, Morton County, Emmons County, Sheridan County, McLean County, and Oliver County.

What is the population of Burleigh County?

The Census Bureau estimates Burleigh County had 103,251 residents on July 1, 2025, ranking #614 of 3,222 county equivalents. That is 63 people per square mile of land.

What is the county seat of Burleigh County?

The county seat of Burleigh County is Bismarck.

What cities and towns are in Burleigh County?

Burleigh County has 5 incorporated places. The most populous are Bismarck city, Lincoln city, Wilton city, Wing city, and Regan city; 20,439 residents live outside any incorporated place.

Is Burleigh County part of a metropolitan area?

Yes. It is a central county of the Bismarck, ND Metropolitan Statistical Area, which has 3 county equivalents and 139,750 residents.

How many ZIP codes are in Burleigh County?

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

How does Burleigh 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 Burleigh County?

The land measurement converts to approximately 1,044,925 acres. Including water, total area is approximately 1,067,829 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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