Onalaska, WI Demographics

A map of Onalaska's Population by Race

Onalaska, Wisconsin had a population of 18,803 in 2020. It was 83.9% White, 1.1% Black, 8.0% Asian, 2.6% Hispanic, 0.7% Native American/Other, and 3.8% Multiracial. This map presents the population of Onalaska, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 804 places in Wisconsin, Onalaska is the 45th most populous. 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's White Population

15,769 residents of Onalaska identify as White, or 83.9%. This makes the White share of the population of Onalaska slightly larger than the White share of the population of Wisconsin (78.6% White). Of the 804 places in Wisconsin, Onalaska is ranked #663 in terms of White residents as a share of the population.

Onalaska is less White than neighboring French Island (90.1% White), La Crosse (84.4% White), Holmen (87% White), Brice Prairie (94.5% White), and La Crescent (92% White).

Onalaska's Black Population

202 residents of Onalaska identify as Black, or 1.1%. This makes the Black share of the population of Onalaska slightly less than the Black share of the population of Wisconsin (6.2% Black). Of the 804 places in Wisconsin, Onalaska is ranked #168 in terms of Black residents as a share of the population.

Onalaska is more Black than neighboring French Island (1% Black), Holmen (0.7% Black), Brice Prairie (0.3% Black), and La Crescent (0.6% Black). Onalaska is less Black than neighboring La Crosse (2.8% Black).

Onalaska's Asian Population

1,511 residents of Onalaska identify as Asian, or 8.0%. This makes the Asian share of the population of Onalaska roughly similar to the Asian share of the population of Wisconsin (3% Asian). Of the 804 places in Wisconsin, Onalaska is ranked #7 in terms of Asian residents as a share of the population.

Onalaska is more Asian than neighboring French Island (3.2% Asian), La Crosse (4.9% Asian), Holmen (7.6% Asian), Brice Prairie (0.3% Asian), and La Crescent (1.2% Asian).

Onalaska's Hispanic Population

485 residents of Onalaska identify as Hispanic, or 2.6%. This makes the Hispanic share of the population of Onalaska roughly similar to the Hispanic share of the population of Wisconsin (7.6% Hispanic). Of the 804 places in Wisconsin, Onalaska is ranked #467 in terms of Hispanic residents as a share of the population.

Onalaska is more Hispanic than neighboring French Island (1.8% Hispanic), Holmen (1.7% Hispanic), Brice Prairie (1.9% Hispanic), and La Crescent (1.7% Hispanic). Onalaska is less Hispanic than neighboring La Crosse (3.2% Hispanic).

Onalaska's Native American/Other Population

124 residents of Onalaska identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.7%. This makes the Native American/Other share of the population of Onalaska roughly similar to the Native American/Other share of the population of Wisconsin (1.2% Native American/Other). Of the 804 places in Wisconsin, Onalaska is ranked #326 in terms of Native American/Other residents as a share of the population.

Onalaska is more Native American/Other than neighboring Holmen (0.4% Native American/Other), Brice Prairie (0.4% Native American/Other), and La Crescent (0.5% Native American/Other). Onalaska is less Native American/Other than neighboring French Island (0.8% Native American/Other), and La Crosse (0.9% Native American/Other).

Onalaska's Multiracial Population

712 residents of Onalaska identify as Multiracial, or 3.8%. This makes the Multiracial share of the population of Onalaska roughly similar to the Multiracial share of the population of Wisconsin (3.5% Multiracial). Of the 804 places in Wisconsin, Onalaska is ranked #223 in terms of Multiracial residents as a share of the population.

Onalaska is more Multiracial than neighboring French Island (3.2% Multiracial), Holmen (2.6% Multiracial), and Brice Prairie (2.5% Multiracial). Onalaska is less Multiracial than neighboring La Crescent (3.9% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.