Dunn County Demographics
A map of Dunn County's Population by Race
Dunn County, North Dakota has an estimated population of 4,040, a slight decrease from the 4,095 recorded in the 2020 Census. The population is 78.5% White, 10.2% Native American/Other, 5.7% Multiracial, 4.5% Hispanic, 0.9% Asian, and 0.1% Black. This demographic dot map shows the population of Dunn County, with one dot drawn for each person counted by the Census, color-coded by race.
Dunn has become more racially diverse since the 2020 Census. It is more diverse than North Dakota overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Dunn County, that probability was 35.7% in 2020 and 36.7% in the most recent ACS estimates.
Dunn County is ranked the 26th most populous county in North Dakota, out of 53 counties. Dunn County was ranked the 25th most populous county in the 2020 Census.
Dunn County's White Population
3,173 residents of Dunn County, or 78.5% of the population, identify as White. The share of White residents in Dunn County is slightly lower than in North Dakota overall, where 81.7% of the population is White. Dunn County ranks 47th statewide in terms of White residents as a share of the population, out of 53 counties.
Since the 2020 Census, Dunn County's White population has declined by an estimated 2.1%. White residents' share of Dunn County's population has decreased from 79.1% to 78.5%.
Dunn County is more White than neighboring McKenzie County (73.7% White), and Mountrail County (56.3% White). Dunn County is less White than neighboring Stark County (84.6% White), Mercer County (91.3% White), and Billings County (92.2% White).
Dunn County's Black Population
6 residents of Dunn County, or 0.1% of the population, identify as Black. The share of Black residents in Dunn County is slightly lower than in North Dakota overall, where 3.3% of the population is Black. Dunn County ranks 20th statewide in terms of Black residents as a share of the population, out of 53 counties.
Since the 2020 Census, Dunn County's Black population has declined by an estimated 73.9%. Black residents' share of Dunn County's population has decreased from 0.6% to 0.1%.
Dunn County is more Black than neighboring Mercer County (0% Black), and Billings County (0% Black). Dunn County is less Black than neighboring Stark County (2.4% Black), McKenzie County (1.9% Black), and Mountrail County (1.8% Black).
Dunn County's Asian Population
38 residents of Dunn County, or 0.9% of the population, identify as Asian. The share of Asian residents in Dunn County is comparable to the share in North Dakota overall, where 1.6% of the population is Asian. Dunn County ranks 11th statewide in terms of Asian residents as a share of the population, out of 53 counties.
Since the 2020 Census, Dunn County's Asian population has grown by an estimated 18.8%. Asian residents' share of Dunn County's population has remained roughly unchanged at 0.9%.
Dunn County is more Asian than neighboring Mercer County (0.5% Asian), Billings County (0% Asian), and Mountrail County (0.6% Asian). Dunn County is less Asian than neighboring Stark County (1.1% Asian), and McKenzie County (1.1% Asian).
Dunn County's Hispanic Population
182 residents of Dunn County, or 4.5% of the population, identify as Hispanic. The share of Hispanic residents in Dunn County is comparable to the share in North Dakota overall, where 4.7% of the population is Hispanic. Dunn County ranks 20th statewide in terms of Hispanic residents as a share of the population, out of 53 counties.
Since the 2020 Census, Dunn County's Hispanic population has grown by an estimated 70.1%. Hispanic residents' share of Dunn County's population has increased from 2.6% to 4.5%.
Dunn County is more Hispanic than neighboring Mercer County (2.8% Hispanic), and Billings County (3.9% Hispanic). Dunn County is less Hispanic than neighboring Stark County (7.3% Hispanic), McKenzie County (12.1% Hispanic), and Mountrail County (8.6% Hispanic).
Dunn County's Native American/Other Population
411 residents of Dunn County, or 10.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Dunn County is higher than in North Dakota overall, where 4.7% of the population is Native American/Other. Dunn County ranks 6th statewide in terms of Native American/Other residents as a share of the population, out of 53 counties.
Since the 2020 Census, Dunn County's Native American/Other population has declined by an estimated 11.6%. Native American/Other residents' share of Dunn County's population has decreased from 11.4% to 10.2%.
Dunn County is more Native American/Other than neighboring Stark County (1.5% Native American/Other), Mercer County (2.4% Native American/Other), Billings County (3.9% Native American/Other), and McKenzie County (6.7% Native American/Other). Dunn County is less Native American/Other than neighboring Mountrail County (28.5% Native American/Other).
Dunn County's Multiracial Population
230 residents of Dunn County, or 5.7% of the population, identify as Multiracial. The share of Multiracial residents in Dunn County is comparable to the share in North Dakota overall, where 4% of the population is Multiracial. Dunn County ranks 1st statewide in terms of Multiracial residents as a share of the population, out of 53 counties.
Since the 2020 Census, Dunn County's Multiracial population has grown by an estimated 1.3%. Multiracial residents' share of Dunn County's population has remained roughly unchanged at 5.7%.
Dunn County is more Multiracial than neighboring Stark County (3.1% Multiracial), Mercer County (2.9% Multiracial), Billings County (0% Multiracial), McKenzie County (4.5% Multiracial), and Mountrail County (4.2% Multiracial).
Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.