St. Martin is a community in Harrison County, Mississippi, home to about 8,139 people across 4.3 square miles. It has no ZIP code of its own: it’s part of 39532.
Homes sold for a median of $161 per square foot in the three months ending August 2026, a balanced market.
Mostly Biloxi; part is in St. Martin
Each card is that ZIP code’s whole market, including any part outside St. Martin. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up St. Martin’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Louis Armstrong New Orleans International Airport (MSY)85 miles away |
|---|---|
| Closer regional airport | Gulfport Biloxi International Airport (GPT)9 miles away |
| Nearest city of 250,000+ | New Orleans, LA66 miles away |
| Nearest city of 1 million+ | Houston, TX387 miles away |
Straight-line distances from the center of St. Martin; 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. Martin had 7,811 residents in the 2020 census, up 17% since 2000.
It’s the 49th largest of 420 towns in Mississippi by population.
Harrison County grew from 21,002 residents in 1900 to 208,621 in 2020.
Harrison County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 44°F. About 66.8 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Biloxi, MS weather station (8 miles away).
74,300 jobs at 4,368 businesses in Harrison County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
183 doctors and other health care providers list an office in St. Martin.
Nearest hospitals
Providers with an office here
| Primary care doctors | 26 |
|---|---|
| Specialist doctors | 31 |
| Dentists | 9 |
| Nurse practitioners and physician assistants | 60 |
| Mental health providers | 25 |
| Physical and occupational therapists | 25 |
| Optometrists | 2 |
| Chiropractors | 5 |
| Pharmacies | 11 |
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.
Grocery stores
Libraries
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.
Public schools here are run by Jackson County School District, Biloxi Public School District, Harrison County School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| St. Martin North ElementaryBiloxi | Pre-K–3 | 537 | Public | 7.0 mi |
| North Bay Elementary SchoolBiloxi | K–4 | 658 | Public | 5.1 mi |
| North Woolmarket Elementary and Middle SchoolBiloxi | K–8 | 851 | Public | 1.6 mi |
| Woolmarket ElementaryBiloxi | K–6 | 533 | Public | 3.3 mi |
| Biloxi Junior High SchoolBiloxi | 7–8 | 863 | Public | 5.4 mi |
| Biloxi High SchoolBiloxi | 9–13 | 1,669 | Public | 5.6 mi |
| D'Iberville HighBiloxi | 9–12 | 1,478 | Public | 2.1 mi |
| R D Brown Voc CenterBiloxi | 9–12 | — | Career and Technical | 5.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Patrick Catholic High SchoolBiloxi | 7–12 | 651 | Roman Catholic | 4.1 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 Biloxi and Latimer.
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.