St. Charles is a city in Winona County, Minnesota, home to about 4,037 people across 3.8 square miles. Its ZIP code is 55972.
Homes sold for a median of $166 per square foot in the three months ending August 2026, a seller’s market.
Mostly St. Charles; also St. Charles Township and Saratoga
Each card is that ZIP code’s whole market, including any part outside St. Charles. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up St. Charles’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)86 miles away |
|---|---|
| Closer regional airport | Rochester International Airport (RST)23 miles away |
| Nearest city of 250,000+ | St. Paul, MN86 miles away |
| Nearest city of 1 million+ | Chicago, IL265 miles away |
Straight-line distances from the center of St. Charles; 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.
St. Charles had 3,990 residents in the 2020 census, up 21% since 2000.
It’s the 194th largest of 2,727 towns in Minnesota by population.
Winona County grew from 35,686 residents in 1900 to 49,671 in 2020.
Winona County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 8°F. About 35.4 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.
Source: NOAA 1991–2020 climate normals, Minnesota City Dam 5, MN weather station (18 miles away).
23,937 jobs at 1,145 businesses in Winona County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
10 doctors and other health care providers list an office in St. Charles.
Nearest hospitals
Providers with an office here
| Primary care doctors | 4 |
|---|---|
| Dentists | 1 |
| Nurse practitioners and physician assistants | 2 |
| Physical and occupational therapists | 1 |
| Chiropractors | 2 |
| Pharmacies | 2 |
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 (6 nearby)
Grocery stores (1 nearby)
Pharmacies (1 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.
Public schools here are run by St. Charles Public School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| St. Charles ElementarySaint Charles | Pre-K–6 | 457 | Public | 0.9 mi |
| St. Charles SecondarySaint Charles | 7–12 | 479 | Public | 0.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with St. Charles Township, Saratoga, Elba Township, Quincy and Dover Township.
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.