Lemay is a community in St. Louis County, Missouri, home to about 16,228 people across 4.1 square miles. Its ZIP code is 63125.
Homes sold for a median of $155 per square foot in the three months ending August 2026, a seller’s market.
Mostly Lemay; also Mehlville and Bella Villa
Each card is that ZIP code’s whole market, including any part outside Lemay. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Lemay’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)16 miles away |
|---|---|
| Nearest city of 250,000+ | St. Louis, MO8 miles away |
| Nearest city of 1 million+ | Chicago, IL267 miles away |
Straight-line distances from the center of Lemay; 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.
Lemay had 17,117 residents in the 2020 census, down 1% since 2000.
It’s the 55th largest of 1,060 towns in Missouri by population.
St. Louis County grew from 50,040 residents in 1900 to 1,004,125 in 2020.
St. Louis County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 22°F. About 42.9 inches of rain and melted snow fall in a typical year, with about 14 inches of snow.
Source: NOAA 1991–2020 climate normals, Cahokia, IL weather station (7 miles away).
629,036 jobs at 29,717 businesses in St. Louis County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
427 doctors and other health care providers list an office in Lemay.
Nearest hospitals
Providers with an office here
| Primary care doctors | 35 |
|---|---|
| Specialist doctors | 22 |
| Dentists | 11 |
| Nurse practitioners and physician assistants | 72 |
| Mental health providers | 151 |
| Physical and occupational therapists | 111 |
| Optometrists | 5 |
| Chiropractors | 20 |
| Pharmacies | 8 |
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 (5 nearby)
Grocery stores (5 nearby)
Pharmacies (1 nearby)
Libraries
Museums (4 nearby)
Theaters and performance venues
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.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Hancock Place, Mehlville R-Ix. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hancock Place Elem.Lemay | Pre-K–5 | 647 | Public | 1.9 mi |
| John Cary Early Childhood Ctr.St Louis | Pre-K | 311 | Public | 2.1 mi |
| Beasley Elem.St Louis | K–5 | 250 | Public | 2.0 mi |
| Bierbaum Elem.St Louis | K–5 | 531 | Public | 0.7 mi |
| Forder Elem.St Louis | K–5 | 397 | Public | 0.8 mi |
| Mosaic ElementarySt. Louis | K–5 | 258 | Public | 0.8 mi |
| Hancock Place MiddleLemay | 6–8 | 266 | Public | 1.1 mi |
| Margaret Buerkle MiddleSt Louis | 6–8 | 549 | Public | 1.3 mi |
| Hancock Sr.. HighSt Louis | 9–12 | 369 | Public | 1.2 mi |
| Mehlville High SchoolSt Louis | 9–12 | 1,388 | Public | 0.9 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Green Park Lutheran SchoolSaint Louis | Pre-K–8 | 216 | Lutheran Church–Missouri Synod | 0.7 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 Mehlville and Bella Villa.
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.