Onalaska

County:: La Crosse County
County Seat:: No
Area (mi²):: 10.612
State:: Wisconsin

Onalaska is a city located in La Crosse County, Wisconsin. Onalaska has a 2025 population of 19,118. Onalaska is currently growing at a rate of 0.26% annually and its population has increased by 1.32% since the most recent census, which recorded a population of 18,868 in 2020.

The average household income in Onalaska is $115,492 with a poverty rate of 5.89%. The median age in Onalaska is 40.3 years: 38.9 years for males, and 41.5 years for females.

Demographics

The racial composition of Onalaska includes 86.44% White, 4.99% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	16,344	86.44%
Asian	943	4.99%
Two or more races	723	3.82%
Black or African American	511	2.7%
Other race	271	1.43%
Native American	104	0.55%
Native Hawaiian or Pacific Islander	13	0.07%

Onalaska Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Onalaska's average per capita income is $56,402. Household income levels show a median of $84,898. The poverty rate stands at 5.89%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$134,205	-
Families	$114,117	$149,894
Households	$84,898	$115,492
Non Families	$52,940	$64,741

$56,402

Average Income

$84,898

Median Household Income

5.89%

Poverty Rate