Mahnomen County Demographics

A map of Mahnomen County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,380	2,278	44.4%	42.1%
Native American/Other	1,833	2,273	34.2%	42.0%
Multiracial	897	691	16.7%	12.8%
Hispanic	218	154	4.1%	2.8%
Asian	25	7	0.5%	0.1%
Black	5	8	0.1%	0.1%

Mahnomen County, Minnesota has an estimated population of 5,358, a less than 1% change from the 5,411 recorded in the 2020 Census. The population is 44.4% White, 34.2% Native American/Other, 16.7% Multiracial, 4.1% Hispanic, 0.5% Asian, and 0.1% Black. This demographic dot map shows the population of Mahnomen County, with one dot drawn for each person counted by the Census, color-coded by race.

Mahnomen has become more racially diverse since the 2020 Census. It is considerably more diverse than Minnesota overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Mahnomen County, that probability was 62.9% in 2020 and 65.6% in the most recent ACS estimates.

Mahnomen County is ranked the 82nd most populous county in Minnesota, out of 87 counties. Mahnomen County was ranked the 82nd most populous county in the 2020 Census.

Mahnomen County's White Population

2,380 residents of Mahnomen County, or 44.4% of the population, identify as White. The share of White residents in Mahnomen County is significantly lower than in Minnesota overall, where 75.9% of the population is White. Mahnomen County ranks 87th statewide in terms of White residents as a share of the population, out of 87 counties.

Since the 2020 Census, Mahnomen County's White population has grown by an estimated 4.5%. White residents' share of Mahnomen County's population has increased from 42.1% to 44.4%.

Mahnomen County is less White than neighboring Becker County (84.9% White), Clearwater County (83.6% White), Red Lake County (90.9% White), Norman County (86.8% White), and Polk County (84% White).

Mahnomen County's Black Population

5 residents of Mahnomen County, or 0.1% of the population, identify as Black. The share of Black residents in Mahnomen County is lower than in Minnesota overall, where 6.9% of the population is Black. Mahnomen County ranks 84th statewide in terms of Black residents as a share of the population, out of 87 counties.

Since the 2020 Census, Mahnomen County's Black population has declined by an estimated 37.5%. Black residents' share of Mahnomen County's population has remained roughly unchanged at 0.1%.

Mahnomen County is less Black than neighboring Becker County (0.7% Black), Clearwater County (0.2% Black), Red Lake County (0.5% Black), Norman County (0.5% Black), and Polk County (2% Black).

Mahnomen County's Asian Population

25 residents of Mahnomen County, or 0.5% of the population, identify as Asian. The share of Asian residents in Mahnomen County is slightly lower than in Minnesota overall, where 5.1% of the population is Asian. Mahnomen County ranks 84th statewide in terms of Asian residents as a share of the population, out of 87 counties.

Since the 2020 Census, Mahnomen County's Asian population has grown by an estimated 257.1%. Asian residents' share of Mahnomen County's population has remained roughly unchanged at 0.5%.

Mahnomen County is more Asian than neighboring Red Lake County (0.4% Asian), and Norman County (0.3% Asian). Mahnomen County is less Asian than neighboring Clearwater County (0.8% Asian), and Polk County (0.8% Asian).

Mahnomen County's Hispanic Population

218 residents of Mahnomen County, or 4.1% of the population, identify as Hispanic. The share of Hispanic residents in Mahnomen County is slightly lower than in Minnesota overall, where 6.4% of the population is Hispanic. Mahnomen County ranks 56th statewide in terms of Hispanic residents as a share of the population, out of 87 counties.

Since the 2020 Census, Mahnomen County's Hispanic population has grown by an estimated 41.6%. Hispanic residents' share of Mahnomen County's population has increased from 2.8% to 4.1%.

Mahnomen County is more Hispanic than neighboring Becker County (2% Hispanic), Clearwater County (0.9% Hispanic), and Red Lake County (3.6% Hispanic). Mahnomen County is less Hispanic than neighboring Norman County (5.5% Hispanic), and Polk County (6.9% Hispanic).

Mahnomen County's Native American/Other Population

1,833 residents of Mahnomen County, or 34.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Mahnomen County is significantly higher than in Minnesota overall, where 1.2% of the population is Native American/Other. Mahnomen County ranks 1st statewide in terms of Native American/Other residents as a share of the population, out of 87 counties.

Since the 2020 Census, Mahnomen County's Native American/Other population has declined by an estimated 19.4%. Native American/Other residents' share of Mahnomen County's population has decreased from 42.0% to 34.2%.

Mahnomen County is more Native American/Other than neighboring Becker County (5.2% Native American/Other), Clearwater County (7.1% Native American/Other), Red Lake County (1.7% Native American/Other), Norman County (2.1% Native American/Other), and Polk County (1.6% Native American/Other).

Mahnomen County's Multiracial Population

897 residents of Mahnomen County, or 16.7% of the population, identify as Multiracial. The share of Multiracial residents in Mahnomen County is considerably higher than in Minnesota overall, where 4.5% of the population is Multiracial. Mahnomen County ranks 1st statewide in terms of Multiracial residents as a share of the population, out of 87 counties.

Since the 2020 Census, Mahnomen County's Multiracial population has grown by an estimated 29.8%. Multiracial residents' share of Mahnomen County's population has increased from 12.8% to 16.7%.

Mahnomen County is more Multiracial than neighboring Becker County (6.7% Multiracial), Clearwater County (7.3% Multiracial), Red Lake County (2.9% Multiracial), Norman County (4.7% Multiracial), and Polk County (4.7% 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.