Onamia, MN Demographics

A map of Onamia's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	590	636	82.1%	81.1%
Native American/Other	56	81	7.8%	10.3%
Multiracial	50	23	7.0%	2.9%
Black	11	15	1.5%	1.9%
Hispanic	7	28	1.0%	3.6%
Asian	5	1	0.7%	0.1%

Onamia, Minnesota has an estimated population of 719, a decrease from the 784 recorded in the 2020 Census. The population is 82.1% White, 7.8% Native American/Other, 7.0% Multiracial, 1.5% Black, 1.0% Hispanic, and 0.7% Asian. This demographic dot map shows the population of Onamia, with one dot drawn for each person counted by the Census, color-coded by race.

Onamia has become less racially diverse since the 2020 Census. It is considerably less 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 Onamia, that probability was 32.9% in 2020 and 31.5% in the most recent ACS estimates.

Onamia is ranked the 420th most populous place in Minnesota, out of 915 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). Onamia was ranked the 402nd most populous place in the 2020 Census.

Onamia's White Population

590 residents of Onamia, or 82.1% of the population, identify as White. The share of White residents in Onamia is higher than in Minnesota overall, where 75.9% of the population is White. Onamia ranks 732nd statewide in terms of White residents as a share of the population, out of 915 places.

Since the 2020 Census, Onamia's White population has declined by an estimated 7.2%. White residents' share of Onamia's population has increased from 81.1% to 82.1%.

Onamia is more White than neighboring Vineland (6.5% White), and Isle (75.5% White). Onamia is less White than neighboring Wahkon (83.7% White), Hillman (96.3% White), and Garrison (96.2% White).

Onamia's Black Population

11 residents of Onamia, or 1.5% of the population, identify as Black. The share of Black residents in Onamia is lower than in Minnesota overall, where 6.9% of the population is Black. Onamia ranks 143rd statewide in terms of Black residents as a share of the population, out of 915 places.

Since the 2020 Census, Onamia's Black population has declined by an estimated 26.7%. Black residents' share of Onamia's population has remained roughly unchanged at 1.5%.

Onamia is more Black than neighboring Wahkon (0% Black), Vineland (0% Black), Hillman (0% Black), and Garrison (0% Black). Onamia is less Black than neighboring Isle (3.5% Black).

Onamia's Asian Population

5 residents of Onamia, or 0.7% of the population, identify as Asian. The share of Asian residents in Onamia is slightly lower than in Minnesota overall, where 5.1% of the population is Asian. Onamia ranks 601st statewide in terms of Asian residents as a share of the population, out of 915 places.

Since the 2020 Census, Onamia's Asian population has grown by an estimated 400.0%. Asian residents' share of Onamia's population has increased from 0.1% to 0.7%.

Onamia is more Asian than neighboring Wahkon (0.4% Asian), Vineland (0% Asian), Isle (0% Asian), Hillman (0% Asian), and Garrison (0% Asian).

Onamia's Hispanic Population

7 residents of Onamia, or 1.0% of the population, identify as Hispanic. The share of Hispanic residents in Onamia is lower than in Minnesota overall, where 6.4% of the population is Hispanic. Onamia ranks 356th statewide in terms of Hispanic residents as a share of the population, out of 915 places.

Since the 2020 Census, Onamia's Hispanic population has declined by an estimated 75.0%. Hispanic residents' share of Onamia's population has decreased from 3.6% to 1.0%.

Onamia is more Hispanic than neighboring Hillman (0% Hispanic), and Garrison (0% Hispanic). Onamia is less Hispanic than neighboring Wahkon (8.5% Hispanic), Vineland (1.9% Hispanic), and Isle (3% Hispanic).

Onamia's Native American/Other Population

56 residents of Onamia, or 7.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Onamia is higher than in Minnesota overall, where 1.2% of the population is Native American/Other. Onamia ranks 43rd statewide in terms of Native American/Other residents as a share of the population, out of 915 places.

Since the 2020 Census, Onamia's Native American/Other population has declined by an estimated 30.9%. Native American/Other residents' share of Onamia's population has decreased from 10.3% to 7.8%.

Onamia is more Native American/Other than neighboring Wahkon (3.1% Native American/Other), Hillman (3.7% Native American/Other), and Garrison (1.9% Native American/Other). Onamia is less Native American/Other than neighboring Vineland (85.9% Native American/Other), and Isle (11.2% Native American/Other).

Onamia's Multiracial Population

50 residents of Onamia, or 7.0% of the population, identify as Multiracial. The share of Multiracial residents in Onamia is slightly higher than in Minnesota overall, where 4.5% of the population is Multiracial. Onamia ranks 577th statewide in terms of Multiracial residents as a share of the population, out of 915 places.

Since the 2020 Census, Onamia's Multiracial population has grown by an estimated 117.4%. Multiracial residents' share of Onamia's population has increased from 2.9% to 7.0%.

Onamia is more Multiracial than neighboring Wahkon (4.3% Multiracial), Vineland (5.6% Multiracial), Isle (6.8% Multiracial), Hillman (0% Multiracial), and Garrison (1.9% 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.