Onalaska City is a city in La Crosse County, Wisconsin, home to about 19,348 people across 10 square miles. Its ZIP code is 54650.
Homes sold for a median of $189 per square foot in the three months ending August 2026, a seller’s market.
Mostly Onalaska City; also Onalaska Town and La Crosse
Each card is that ZIP code’s whole market, including any part outside Onalaska City. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Onalaska City’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)119 miles away |
|---|---|
| Closer regional airport | La Crosse Regional Airport (LSE)2 miles away |
| Nearest city of 250,000+ | Madison, WI106 miles away |
| Nearest city of 1 million+ | Chicago, IL229 miles away |
Straight-line distances from the center of Onalaska City; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Onalaska City had 18,803 residents in the 2020 census, up 27% since 2000.
It’s the 44th largest of 1,889 towns in Wisconsin by population.
La Crosse County grew from 42,997 residents in 1900 to 120,784 in 2020.
La Crosse County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 11°F. About 35.3 inches of rain and melted snow fall in a typical year, with about 46 inches of snow.
Source: NOAA 1991–2020 climate normals, La Crosse Muni Ap, WI weather station (2 miles away).
66,633 jobs at 3,151 businesses in La Crosse County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
391 doctors and other health care providers list an office in Onalaska City.
Nearest hospitals
Providers with an office here
| Primary care doctors | 69 |
|---|---|
| Specialist doctors | 40 |
| Dentists | 41 |
| Nurse practitioners and physician assistants | 59 |
| Mental health providers | 96 |
| Physical and occupational therapists | 47 |
| Optometrists | 7 |
| Chiropractors | 32 |
| Pharmacies | 10 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (32 nearby)
Grocery stores (1 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums
Theaters and performance venues
Counts are within about 2.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1851.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Onalaska School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Eagle Bluff ElementaryOnalaska | Pre-K–5 | 471 | Public | 1.9 mi |
| Northern Hills ElementaryOnalaska | Pre-K–5 | 463 | Public | 0.2 mi |
| Onalaska Prekindergarten Partner SchoolOnalaska | Pre-K | 68 | Public | 1.9 mi |
| Pertzsch ElementaryOnalaska | Pre-K–5 | 373 | Public | 1.0 mi |
| Onalaska MiddleOnalaska | 6–8 | 620 | Public | 0.4 mi |
| Onalaska HighOnalaska | 9–12 | 925 | Public | 1.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Great River MontessoriOnalaska | Pre-K–3 | 11 | Nonsectarian | 2.0 mi |
| St Patrick SchoolOnalaska | Pre-K–6 | 180 | Roman Catholic | 0.9 mi |
| St Paul Lutheran SchoolOnalaska | Pre-K–8 | 227 | Wisconsin Evangelical Lutheran Synod | 1.1 mi |
| St Pauls Lutheran SchoolOnalaska | Pre-K–8 | 228 | Wisconsin Evangelical Lutheran Synod | 1.0 mi |
| Acton MidwestOnalaska | 1–5 | 9 | Nonsectarian | 2.7 mi |
| Luther High SchoolOnalaska | 9–12 | 253 | Wisconsin Evangelical Lutheran Synod | 1.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Onalaska Town, La Crosse, Holmen and Hamilton.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.