Mandan, ND Demographics

A map of Mandan's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	20,543	20,231	83.8%	83.6%
Native American/Other	1,407	1,229	5.7%	5.1%
Hispanic	1,390	1,154	5.7%	4.8%
Multiracial	596	1,004	2.4%	4.1%
Black	546	435	2.2%	1.8%
Asian	40	153	0.2%	0.6%

Mandan, North Dakota has an estimated population of 24,522, a slight increase from the 24,206 recorded in the 2020 Census. The population is 83.8% White, 5.7% Hispanic, 5.7% Native American/Other, 2.4% Multiracial, 2.2% Black, and 0.2% Asian. This demographic dot map shows the population of Mandan, with one dot drawn for each person counted by the Census, color-coded by race.

Mandan is about as racially diverse as it was in the 2020 Census. It is less 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 Mandan, that probability was 29.4% in 2020 and 29.1% in the most recent ACS estimates.

Mandan is ranked the 8th most populous place in North Dakota, out of 406 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Mandan was ranked the 8th most populous place in the 2020 Census.

Mandan's White Population

20,543 residents of Mandan, or 83.8% of the population, identify as White. The share of White residents in Mandan is slightly higher than in North Dakota overall, where 81.7% of the population is White. Mandan ranks 325th statewide in terms of White residents as a share of the population, out of 406 places.

Since the 2020 Census, Mandan's White population has grown by an estimated 1.5%. White residents' share of Mandan's population has remained roughly unchanged at 83.8%.

Mandan is more White than neighboring Bismarck (82.8% White). Mandan is less White than neighboring Harmon (100% White), Lincoln (88.8% White), Apple Valley (91.8% White), and Wilton (89.3% White).

Mandan's Black Population

546 residents of Mandan, or 2.2% of the population, identify as Black. The share of Black residents in Mandan is comparable to the share in North Dakota overall, where 3.3% of the population is Black. Mandan ranks 27th statewide in terms of Black residents as a share of the population, out of 406 places.

Since the 2020 Census, Mandan's Black population has grown by an estimated 25.5%. Black residents' share of Mandan's population has remained roughly unchanged at 2.2%.

Mandan is more Black than neighboring Harmon (0% Black), Lincoln (0% Black), Apple Valley (0% Black), and Wilton (0% Black). Mandan is less Black than neighboring Bismarck (2.5% Black).

Mandan's Asian Population

40 residents of Mandan, or 0.2% of the population, identify as Asian. The share of Asian residents in Mandan is comparable to the share in North Dakota overall, where 1.6% of the population is Asian. Mandan ranks 88th statewide in terms of Asian residents as a share of the population, out of 406 places.

Since the 2020 Census, Mandan's Asian population has declined by an estimated 73.9%. Asian residents' share of Mandan's population has remained roughly unchanged at 0.2%.

Mandan is more Asian than neighboring Harmon (0% Asian), and Lincoln (0% Asian). Mandan is less Asian than neighboring Bismarck (1.2% Asian), and Apple Valley (1.4% Asian).

Mandan's Hispanic Population

1,390 residents of Mandan, or 5.7% of the population, identify as Hispanic. The share of Hispanic residents in Mandan is comparable to the share in North Dakota overall, where 4.7% of the population is Hispanic. Mandan ranks 91st statewide in terms of Hispanic residents as a share of the population, out of 406 places.

Since the 2020 Census, Mandan's Hispanic population has grown by an estimated 20.5%. Hispanic residents' share of Mandan's population has increased from 4.8% to 5.7%.

Mandan is more Hispanic than neighboring Bismarck (3.5% Hispanic), Harmon (0% Hispanic), Lincoln (4.2% Hispanic), and Apple Valley (0% Hispanic). Mandan is less Hispanic than neighboring Wilton (7.1% Hispanic).

Mandan's Native American/Other Population

1,407 residents of Mandan, or 5.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Mandan is comparable to the share in North Dakota overall, where 4.7% of the population is Native American/Other. Mandan ranks 51st statewide in terms of Native American/Other residents as a share of the population, out of 406 places.

Since the 2020 Census, Mandan's Native American/Other population has grown by an estimated 14.5%. Native American/Other residents' share of Mandan's population has increased from 5.1% to 5.7%.

Mandan is more Native American/Other than neighboring Bismarck (4.9% Native American/Other), Harmon (0% Native American/Other), Lincoln (1.6% Native American/Other), Apple Valley (0% Native American/Other), and Wilton (1% Native American/Other).

Mandan's Multiracial Population

596 residents of Mandan, or 2.4% of the population, identify as Multiracial. The share of Multiracial residents in Mandan is comparable to the share in North Dakota overall, where 4% of the population is Multiracial. Mandan ranks 144th statewide in terms of Multiracial residents as a share of the population, out of 406 places.

Since the 2020 Census, Mandan's Multiracial population has declined by an estimated 40.6%. Multiracial residents' share of Mandan's population has decreased from 4.1% to 2.4%.

Mandan is more Multiracial than neighboring Harmon (0% Multiracial). Mandan is less Multiracial than neighboring Bismarck (5.1% Multiracial), Lincoln (5.3% Multiracial), Apple Valley (6.8% Multiracial), and Wilton (2.5% 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.