Onalaska Flag

Onalaska

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 20,155 . Onalaska is currently growing at a rate of 1.29% annually and its population has increased by 6.83% since the most recent census, which recorded a population of 18,867 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. For every 100 females there are 91.0 males.

20.2K
Total Population
1,899
Density (mi²)
257 1.29%
Growth

Onalaska Population

Onalaska Population

Data after 2023 is projected based on recent change

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 (86.44%)

Asian (4.99%)

Two or more races (3.82%)

Black or African American (2.7%)

Other race (1.43%)

Native American (0.55%)

Native Hawaiian or Pacific Islander (0.07%)

Race
Population
Percentage (of total)
White16,34486.44%
Asian9434.99%
Two or more races7233.82%
Black or African American5112.7%
Other race2711.43%
Native American1040.55%
Native Hawaiian or Pacific Islander130.07%

Onalaska Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)