McLain is a town in Greene County, Mississippi, home to about 416 people across 3.4 square miles. Its ZIP code is 39456.
Homes sold for a median of $37 per square foot in the three months ending August 2026.
Mostly McLain; also Leaf
Each card is that ZIP code’s whole market, including any part outside McLain. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up McLain’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Pensacola International Airport (PNS)105 miles away |
|---|---|
| Closer regional airport | Hattiesburg Laurel Regional Airport (PIB)41 miles away |
| Nearest city of 250,000+ | New Orleans, LA98 miles away |
| Nearest city of 1 million+ | Houston, TX403 miles away |
Straight-line distances from the center of McLain; 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.
McLain had 313 residents in the 2020 census, down 48% since 2000.
It’s the 283rd largest of 420 towns in Mississippi by population.
Greene County grew from 6,795 residents in 1900 to 13,530 in 2020.
Greene County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 94°F in summer, and winter lows average 36°F. About 64 inches of rain and melted snow fall in a typical year, with about 1 inches of snow.
Source: NOAA 1991–2020 climate normals, Beaumont Expstation, MS weather station (13 miles away).
1,024 jobs at 128 businesses in Greene County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in McLain.
Nearest hospitals
Providers with an office here
| Mental health providers | 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.
Public schools here are run by Greene County Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Mclain Attendance CenterMcLain | K–8 | 160 | Public | 2.5 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 Leaf.
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.