Onalaska
What’s happening
Be the first to post in Onalaska — introduce yourself, ask a question, or share what’s happening.
Weather
Forecast →Upcoming events
Put the next local happening — a market, a meeting, a concert — on the map.
Local news
Headlines via Google News · Articles belong to their publishers.
The Onalaska album
Outdoors in Onalaska
Parks & trails →Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
About Onalaska
City in the United StatesOnalaska ( ON-ə-LASS-kə) is a city in La Crosse County, Wisconsin, United States. The population was 18,803 at the 2020 census. It is a principal city of the La Crosse–Onalaska 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."
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
How Onalaska ranks
All →Town numbers
Housing in Onalaska
The median sale price was $338,000 in May 2026.
A strong seller's market
Safety in Onalaska
Safety Grade C+
Onalaska reports more crime per resident than most U.S. towns we grade: about 62% report less.
Health in Onalaska
Health Grade A−
Healthier than 79% of U.S. towns on seven CDC estimates.
Compared with Wisconsin
of 32 measures CDC estimates. The other 20 are too close to call.
What stands out
Care nearby
Schools in Onalaska
All Onalaska schools →School Grade B+
The public schools Onalaska’s kids attend, from kindergarten through graduation, outperform 68% of Wisconsin’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.
School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within WI. Ratings are from neighbors.
Where Onalaska is
Explore map →
Location map