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 2026 population of 19,898. Onalaska is currently growing at a rate of 1.5% annually and its population has increased by 5.46% since the most recent census, which recorded a population of 18,867 in 2020.

19.9K
Total Population
1,875
Density (mi²)
294 1.5%
Growth

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)