Onalaska, WA Demographics

A map of Onalaska's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	770	558	90.8%	84.9%
Hispanic	49	34	5.8%	5.2%
Native American/Other	20	15	2.4%	2.3%
Multiracial	9	45	1.1%	6.8%
Black	0	4	0.0%	0.6%
Asian	0	1	0.0%	0.2%

Onalaska, Washington has an estimated population of 848, a large increase from the 657 recorded in the 2020 Census. The population is 90.8% White, 5.8% Hispanic, 2.4% Native American/Other, 1.1% Multiracial, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Onalaska, with one dot drawn for each person counted by the Census, color-coded by race.

Onalaska has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than Washington overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Onalaska, that probability was 27.1% in 2020 and 17.2% in the most recent ACS estimates.

Onalaska is ranked the 409th most populous place in Washington, out of 639 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). Onalaska was ranked the 440th most populous place in the 2020 Census.

Onalaska's White Population

770 residents of Onalaska, or 90.8% of the population, identify as White. The share of White residents in Onalaska is significantly higher than in Washington overall, where 63.1% of the population is White. Onalaska ranks 146th statewide in terms of White residents as a share of the population, out of 639 places.

Since the 2020 Census, Onalaska's White population has grown by an estimated 38.0%. White residents' share of Onalaska's population has increased from 84.9% to 90.8%.

Onalaska is more White than neighboring Napavine (78.7% White), Toledo (86.3% White), Mossyrock (55.7% White), Winlock (71% White), and Chehalis (76.6% White).

Onalaska's Black Population

0 residents of Onalaska, or 0.0% of the population, identify as Black. The share of Black residents in Onalaska is slightly lower than in Washington overall, where 3.8% of the population is Black. Onalaska ranks 315th statewide in terms of Black residents as a share of the population, out of 639 places.

Since the 2020 Census, Onalaska's Black population has declined by an estimated 100.0%. Black residents' share of Onalaska's population has decreased from 0.6% to 0.0%.

Onalaska is less Black than neighboring Napavine (0.3% Black), Mossyrock (1.6% Black), Winlock (1.6% Black), and Chehalis (1% Black).

Onalaska's Asian Population

0 residents of Onalaska, or 0.0% of the population, identify as Asian. The share of Asian residents in Onalaska is lower than in Washington overall, where 9.7% of the population is Asian. Onalaska ranks 555th statewide in terms of Asian residents as a share of the population, out of 639 places.

Since the 2020 Census, Onalaska's Asian population has declined by an estimated 100.0%. Asian residents' share of Onalaska's population has remained roughly unchanged at 0.0%.

Onalaska is less Asian than neighboring Napavine (2.7% Asian), Mossyrock (3.8% Asian), Winlock (0.7% Asian), and Chehalis (0.5% Asian).

Onalaska's Hispanic Population

49 residents of Onalaska, or 5.8% of the population, identify as Hispanic. The share of Hispanic residents in Onalaska is lower than in Washington overall, where 14.4% of the population is Hispanic. Onalaska ranks 473rd statewide in terms of Hispanic residents as a share of the population, out of 639 places.

Since the 2020 Census, Onalaska's Hispanic population has grown by an estimated 44.1%. Hispanic residents' share of Onalaska's population has increased from 5.2% to 5.8%.

Onalaska is less Hispanic than neighboring Napavine (13% Hispanic), Toledo (5.9% Hispanic), Mossyrock (27.9% Hispanic), Winlock (19.3% Hispanic), and Chehalis (14.6% Hispanic).

Onalaska's Native American/Other Population

20 residents of Onalaska, or 2.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Onalaska is comparable to the share in Washington overall, where 2.1% of the population is Native American/Other. Onalaska ranks 235th statewide in terms of Native American/Other residents as a share of the population, out of 639 places.

Since the 2020 Census, Onalaska's Native American/Other population has grown by an estimated 33.3%. Native American/Other residents' share of Onalaska's population has remained roughly unchanged at 2.4%.

Onalaska is more Native American/Other than neighboring Napavine (0.4% Native American/Other), Toledo (0% Native American/Other), Mossyrock (1.9% Native American/Other), Winlock (2.3% Native American/Other), and Chehalis (1.4% Native American/Other).

Onalaska's Multiracial Population

9 residents of Onalaska, or 1.1% of the population, identify as Multiracial. The share of Multiracial residents in Onalaska is lower than in Washington overall, where 6.8% of the population is Multiracial. Onalaska ranks 243rd statewide in terms of Multiracial residents as a share of the population, out of 639 places.

Since the 2020 Census, Onalaska's Multiracial population has declined by an estimated 80.0%. Multiracial residents' share of Onalaska's population has decreased from 6.8% to 1.1%.

Onalaska is less Multiracial than neighboring Napavine (4.8% Multiracial), Toledo (7.7% Multiracial), Mossyrock (9.1% Multiracial), Winlock (5% Multiracial), and Chehalis (5.9% 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.