Caledonia City is a city in Houston County, Minnesota, home to about 2,820 people across 2.8 square miles. Its ZIP code is 55921.
Homes sold for a median of $132 per square foot in the three months ending August 2026, a seller’s market.
Mostly Caledonia City; also Caledonia Township and Mayville
Each card is that ZIP code’s whole market, including any part outside Caledonia City. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Caledonia 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)122 miles away |
|---|---|
| Closer regional airport | La Crosse Regional Airport (LSE)21 miles away |
| Nearest city of 250,000+ | Madison, WI110 miles away |
| Nearest city of 1 million+ | Chicago, IL229 miles away |
Straight-line distances from the center of Caledonia 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.
Caledonia City had 2,847 residents in the 2020 census, down 4% since 2000.
It’s the 258th largest of 2,727 towns in Minnesota by population.
Houston County grew from 15,400 residents in 1900 to 18,843 in 2020.
Houston County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 8°F. About 38.4 inches of rain and melted snow fall in a typical year, with about 45 inches of snow.
Source: NOAA 1991–2020 climate normals, Caledonia, MN weather station (about a mile away).
4,309 jobs at 394 businesses in Houston County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
14 doctors and other health care providers list an office in Caledonia City.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Dentists | 3 |
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 3 |
| Chiropractors | 4 |
| Pharmacies | 3 |
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 (3 nearby)
Libraries (1 nearby)
Counts are within about 1.5 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 1854.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Caledonia Public School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Caledonia ElementaryCaledonia | Pre-K–5 | 295 | Public | 1.3 mi |
| Houston County JDC SchoolCaledonia | 4–12 | 1 | Alternative Education | 1.0 mi |
| Caledonia MiddleCaledonia | 6–8 | 138 | Public | 1.8 mi |
| Caledonia Senior HighCaledonia | 9–12 | 259 | Public | 1.8 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St John's Evangelical Lutheran SchoolCaledonia | Pre-K–8 | 75 | Wisconsin Evangelical Lutheran Synod | 1.4 mi |
| St Marys Catholic SchoolCaledonia | Pre-K–8 | 109 | Roman Catholic | 0.8 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 Caledonia Township, Mayville, Union, Sheldon, Wilmington, Winnebago Township, Crooked Creek and Jefferson.
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.