Burleigh County is a county in the U.S. state of North Dakota. As of the 2020 census, the population was 98,458, and was estimated to be 103,107 in 2024, making it the second-most populous county in North Dakota. Its county seat and most populous city is Bismarck, the state capital and second-largest city in North Dakota. The county was named for Dakota Territory political figure Walter A. Burleigh.
Burleigh County is included in the Bismarck metropolitan area.
The county was created on January 4, 1873, by the Dakota Territory legislature, annexing territory from Buffalo County. Burleigh was not organized at the time, but the organization began on July 16, 1873. Its boundaries were altered in 1879, 1881, 1883, and twice in 1885.
The Missouri River flows south-southeasterly along the lower west boundary line of Burleigh County. The central part of the county is drained by south-flowing creeks. The county terrain consists of semi-arid low rolling hills, partially devoted to agriculture. The terrain slopes to the south, and its western portion also slopes to the river valley. The terrain's highest point is on the upper portion of the east boundary line, at ASL.
According to the United States Census Bureau, the county has a total area of , of which is land and (2.14%) is water. It is the 13th largest county in North Dakota by total area.
As of the fourth quarter of 2024, the median home value in Burleigh County was $325,034. As of the 2023 American Community Survey, there are 40,361 estimated households in Burleigh County with an average of 2.36 persons per household. The county has a median household income of $84,948. Approximately 7.7% of the county's population lives at or below the poverty line.
Burleigh County has an estimated 66.0% employment rate, with 38.7% of the population holding a bachelor's degree or higher and 95.2% holding a high school diploma. The median age in the county was 38.7 years.
Burleigh County, North Dakota â racial and ethnic composition<br><small></small>
As of the 2024 estimate, there were 103,107 people and 40,361 households residing in the county. There were 44,534 housing units at an average density of . The racial makeup of the county was 89.2% White (86.7% NH White), 2.3% African American, 4.8% Native American, 1.0% Asian, 0.5% Pacific Islander, _% from some other races and 2.2% from two or more races. Hispanic or Latino people of any race were 3.4% of the population.
As of the 2020 census, there were 98,458 people, 39,927 households, and 24,822 families residing in the county. The population density was . There were 42,692 housing units at an average density of , of which 6.5% were vacant. The racial makeup of the county was 86.5% White, 2.3% African American, 4.3% Native American, 1.1% Asian, 1.1% from some other races and 4.4% from two or more races. Hispanic or Latino residents of any race comprised 3.1% of the population.
Of the residents, 23.2% were under the age of 18 and 16.8% were 65 years of age or older; the median age was 37.6 years. For every 100 females there were 99.9 males, and for every 100 females age 18 and over there were 98.8 males.
There were 39,927 households in the county, of which 28.9% had children under the age of 18 living with them and 24.4% had a female householder with no spouse or partner present. About 31.3% of all households were made up of individuals and 11.1% had someone living alone who was 65 years of age or older. Among occupied housing units, 69.0% were owner-occupied and 31.0% were renter-occupied. The homeowner vacancy rate was 1.4% and the rental vacancy rate was 9.0%.
As of the 2010 census, there were 81,308 people, 33,976 households, and 21,213 families residing in the county. The population density was . There were 35,754 housing units at an average density of . The racial makeup of the county was 93.02% White, 0.59% African American, 4.17% Native American, 0.48% Asian, 0.03% Pacific Islander, 0.28% from some other races and 1.42% from two or more races. Hispanic or Latino people of any race were 1.21% of the population. In terms of ancestry, 61.0% were German, 21.1% were Norwegian, 8.1% were Russian, 6.8% were Irish, and 2.6% were American.
There were 33,976 households, 29.0% had children under the age of 18 living with them, 50.2% were married couples living together, 8.7% had a female householder with no husband present, 37.6% were non-families, and 30.5% of all households were made up of individuals. The average household size was 2.31 and the average family size was 2.90. The median age was 37.3 years.
The median income for a household in the county was $53,465 and the median income for a family was $71,103. Males had a median income of $44,944 versus $31,943 for females. The per capita income for the county was $28,784. About 6.3% of families and 9.4% of the population were below the poverty line, including 11.6% of those under age 18 and 11.0% of those age 65 or over.
Burleigh County voters have voted Republican for several decades. With the exception of 1964, no Democratic Party candidate has received even 40 percent of the county's vote after 1940.
School districts include:
K-12:
Elementary: