Marine on St. Croix is a city in Washington County, Minnesota, home to about 740 people across 3.9 square miles. It has no ZIP code of its own: it’s part of 55047.
Homes sold for a median of $331 per square foot in the three months ending August 2026, a seller’s market.
Mostly Scandia; part is in Marine on St. Croix
Each card is that ZIP code’s whole market, including any part outside Marine on St. Croix. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Marine on St. Croix’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Marine on St. Croix well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)29 miles away |
|---|---|
| Nearest city of 250,000+ | St. Paul, MN22 miles away |
| Nearest city of 1 million+ | Chicago, IL347 miles away |
Straight-line distances from the center of Marine on St. Croix; 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.
Marine on St. Croix had 664 residents in the 2020 census, up 10% since 2000.
It’s the 781st largest of 2,727 towns in Minnesota by population.
Washington County grew from 27,808 residents in 1900 to 267,568 in 2020.
Washington 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 3°F. About 33.2 inches of rain and melted snow fall in a typical year, with about 52 inches of snow.
Source: NOAA 1991–2020 climate normals, Forest Lake 5ne, MN weather station (10 miles away).
95,631 jobs at 6,542 businesses in Washington County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
3 doctors and other health care providers list an office in Marine on St. Croix.
Nearest hospitals
Providers with an office here
| Mental health providers | 2 |
|---|---|
| Physical and occupational therapists | 1 |
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.
Libraries
Museums
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 Marine Area Community School, Marine Village School. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Marine Area Community SchoolMarine On St Croix | K–5 | 112 | Charter | 2.3 mi |
| Marine Village SchoolMarine On St Croix | K–5 | 92 | Charter | 2.6 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 Scandia and May Township (Washington County).
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.