Mountrail County Demographics

A map of Mountrail County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	5,353	5,539	56.3%	56.5%
Native American/Other	2,707	2,774	28.5%	28.3%
Hispanic	819	768	8.6%	7.8%
Multiracial	399	510	4.2%	5.2%
Black	175	113	1.8%	1.2%
Asian	54	105	0.6%	1.1%

Mountrail County, North Dakota has an estimated population of 9,507, a decrease from the 9,809 recorded in the 2020 Census. The population is 56.3% White, 28.5% Native American/Other, 8.6% Hispanic, 4.2% Multiracial, 1.8% Black, and 0.6% Asian. This demographic dot map shows the population of Mountrail County, with one dot drawn for each person counted by the Census, color-coded by race.

Mountrail is about as racially diverse as it was in the 2020 Census. It is considerably 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 Mountrail County, that probability was 59.2% in 2020 and 59.2% in the most recent ACS estimates.

Mountrail County is ranked the 16th most populous county in North Dakota, out of 53 counties. Mountrail County was ranked the 15th most populous county in the 2020 Census.

Mountrail County's White Population

5,353 residents of Mountrail County, or 56.3% of the population, identify as White. The share of White residents in Mountrail County is significantly lower than in North Dakota overall, where 81.7% of the population is White. Mountrail County ranks 50th statewide in terms of White residents as a share of the population, out of 53 counties.

Since the 2020 Census, Mountrail County's White population has declined by an estimated 3.4%. White residents' share of Mountrail County's population has remained roughly unchanged at 56.3%.

Mountrail County is less White than neighboring Burke County (86.5% White), Ward County (80.4% White), Renville County (94% White), Dunn County (78.5% White), and Mercer County (91.3% White).

Mountrail County's Black Population

175 residents of Mountrail County, or 1.8% of the population, identify as Black. The share of Black residents in Mountrail County is comparable to the share in North Dakota overall, where 3.3% of the population is Black. Mountrail County ranks 12th statewide in terms of Black residents as a share of the population, out of 53 counties.

Since the 2020 Census, Mountrail County's Black population has grown by an estimated 54.9%. Black residents' share of Mountrail County's population has increased from 1.2% to 1.8%.

Mountrail County is more Black than neighboring Burke County (1.7% Black), Renville County (0.2% Black), Dunn County (0.1% Black), and Mercer County (0% Black). Mountrail County is less Black than neighboring Ward County (3.9% Black).

Mountrail County's Asian Population

54 residents of Mountrail County, or 0.6% of the population, identify as Asian. The share of Asian residents in Mountrail County is comparable to the share in North Dakota overall, where 1.6% of the population is Asian. Mountrail County ranks 7th statewide in terms of Asian residents as a share of the population, out of 53 counties.

Since the 2020 Census, Mountrail County's Asian population has declined by an estimated 48.6%. Asian residents' share of Mountrail County's population has decreased from 1.1% to 0.6%.

Mountrail County is more Asian than neighboring Mercer County (0.5% Asian). Mountrail County is less Asian than neighboring Burke County (2.1% Asian), Ward County (1.5% Asian), and Dunn County (0.9% Asian).

Mountrail County's Hispanic Population

819 residents of Mountrail County, or 8.6% of the population, identify as Hispanic. The share of Hispanic residents in Mountrail County is slightly higher than in North Dakota overall, where 4.7% of the population is Hispanic. Mountrail County ranks 4th statewide in terms of Hispanic residents as a share of the population, out of 53 counties.

Since the 2020 Census, Mountrail County's Hispanic population has grown by an estimated 6.6%. Hispanic residents' share of Mountrail County's population has increased from 7.8% to 8.6%.

Mountrail County is more Hispanic than neighboring Burke County (2.5% Hispanic), Ward County (7.2% Hispanic), Renville County (0.8% Hispanic), Dunn County (4.5% Hispanic), and Mercer County (2.8% Hispanic).

Mountrail County's Native American/Other Population

2,707 residents of Mountrail County, or 28.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Mountrail County is significantly higher than in North Dakota overall, where 4.7% of the population is Native American/Other. Mountrail County ranks 4th statewide in terms of Native American/Other residents as a share of the population, out of 53 counties.

Since the 2020 Census, Mountrail County's Native American/Other population has declined by an estimated 2.4%. Native American/Other residents' share of Mountrail County's population has remained roughly unchanged at 28.5%.

Mountrail County is more Native American/Other than neighboring Burke County (2.1% Native American/Other), Ward County (2% Native American/Other), Renville County (0.2% Native American/Other), Dunn County (10.2% Native American/Other), and Mercer County (2.4% Native American/Other).

Mountrail County's Multiracial Population

399 residents of Mountrail County, or 4.2% of the population, identify as Multiracial. The share of Multiracial residents in Mountrail County is comparable to the share in North Dakota overall, where 4% of the population is Multiracial. Mountrail County ranks 4th statewide in terms of Multiracial residents as a share of the population, out of 53 counties.

Since the 2020 Census, Mountrail County's Multiracial population has declined by an estimated 21.8%. Multiracial residents' share of Mountrail County's population has decreased from 5.2% to 4.2%.

Mountrail County is more Multiracial than neighboring Mercer County (2.9% Multiracial). Mountrail County is less Multiracial than neighboring Burke County (5.1% Multiracial), Ward County (5% Multiracial), and Dunn County (5.7% 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.