St. Louis is a city in Gratiot County, Michigan, home to about 7,367 people across 3.3 square miles. Its ZIP code is 48880.
Homes sold for a median of $114 per square foot in the three months ending August 2026, a seller’s market.
Mostly St. Louis; also Bethany and Jasper
Each card is that ZIP code’s whole market, including any part outside St. Louis. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up St. Louis’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Gerald R. Ford International Airport (GRR)60 miles away |
|---|---|
| Closer regional airport | MBS International Airport (MBS)27 miles away |
| Nearest city of 250,000+ | Detroit, MI104 miles away |
| Nearest city of 1 million+ | Chicago, IL192 miles away |
Straight-line distances from the center of St. Louis; 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. Louis had 7,010 residents in the 2020 census, up 56% since 2000.
It’s the 267th largest of 1,531 towns in Michigan by population.
Gratiot County grew from 29,889 residents in 1900 to 41,761 in 2020.
Gratiot County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 15°F. About 34.5 inches of rain and melted snow fall in a typical year, with about 39 inches of snow.
Source: NOAA 1991–2020 climate normals, Alma, MI weather station (4 miles away).
10,633 jobs at 725 businesses in Gratiot County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
25 doctors and other health care providers list an office in St. Louis.
Nearest hospitals
Providers with an office here
| Primary care doctors | 3 |
|---|---|
| Dentists | 3 |
| Nurse practitioners and physician assistants | 4 |
| Mental health providers | 3 |
| Physical and occupational therapists | 5 |
| Optometrists | 1 |
| Chiropractors | 6 |
| 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 (4 nearby)
Grocery stores
Pharmacies
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 St. Louis Public Schools, Michigan Department of Corrections. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Carrie Knause Early Childhood Learning CenterSaint Louis | Pre-K–2 | 206 | Public | 0.9 mi |
| Eugene M Nikkari ElementarySaint Louis | 3–5 | 215 | Public | 2.1 mi |
| TS Nurnberger Middle SchoolSaint Louis | 6–8 | 217 | Public | 1.1 mi |
| Central Michigan Correctional FacilitySaint Louis | 9–12 | 1 | Alternative Education | 1.0 mi |
| St Louis Correctional FacilitySaint Louis | 9–12 | 13 | Alternative Education | 1.1 mi |
| St Louis High SchoolSaint Louis | 9–12 | 244 | Public | 1.3 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 Bethany, Jasper, Pine River and Coe.
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.