Onalaska is a city in La Crosse County, Wisconsin, United States. The population was 18,803 at the 2020 census. It borders the larger La Crosse, Wisconsin, and is a part of the La Crosse-Onalaska, WI-MN Metropolitan Area.
Onalaska is built on a slightly elevated ridge above the Black River. Natural areas include both river bottom land and high, heavily wooded, scenic bluffs. A man-made reservoir at the city's western edge is known as Lake Onalaska. Onalaska is known as "The Sunfish Capital of the World."
| Ethnicity | Onalaska | USA |
|---|---|---|
| White | 84% | 60.1% |
| African American | 1.9% | 12.2% |
| American Indian | 0.3% | 0.6% |
| Asian | 8.9% | 5.6% |
| Hawaiian | 0% | 0.2% |
| Multiracial | 3.3% | 2.8% |
| Hispanic | 1.6% | 18.2% |
| Other | 0% | 0.3% |
| HOUSEHOLD INCOME | Onalaska | USA |
|---|---|---|
| Less than $10,000 | 2.4% | 5.8% |
| $10,000 to $14,999 | 1.5% | 4.1% |
| $15,000 to $24,999 | 5.6% | 8.5% |
| $25,000 to $34,999 | 8.8% | 8.6% |
| $35,000 to $49,999 | 16.9% | 12.0% |
| $50,000 to $74,999 | 20% | 17.2% |
| $75,000 to $99,999 | 14.3% | 12.8% |
| $100,000 to $149,999 | 13.9% | 15.6% |
| $150,000 to $199,999 | 9.3% | 7.1% |
| Education | Onalaska | USA |
|---|---|---|
| < 9th Grade | 2% | 5.0% |
| 9-12th Grade | 2% | 7.0% |
| High School or GED | 21% | 27.0% |
| Other College | 23% | 20.0% |
| Associate's Degree | 14% | 9% |
| Bachelor's Degree | 24% | 20.0% |
| Master's Degree | 10% | 9.0% |
| Professional Degree | 3% | 2.0% |
| Doctorate Degree | 1% | 1.0% |