Oak Grove is a community in Lamar County, Mississippi, home to about 2,098 people across 1.3 square miles. It has no ZIP code of its own: it’s part of 39402 and 39475.
Homes sold for a median of $154 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Hattiesburg; part is in Oak Grove
Part is in Oak Grove, part in Purvis
Each card is that ZIP code’s whole market, including any part outside Oak Grove. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Oak Grove’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)105 miles away |
|---|---|
| Closer regional airport | Hattiesburg Laurel Regional Airport (PIB)12 miles away |
| Nearest city of 250,000+ | New Orleans, LA92 miles away |
| Nearest city of 1 million+ | Houston, TX372 miles away |
Straight-line distances from the center of Oak Grove; 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.
It’s the 125th largest of 420 towns in Mississippi by population.
Lamar County grew from 11,741 residents in 1910 to 64,222 in 2020.
Lamar County, 1910–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 91°F in summer, and winter lows average 38°F. About 64.5 inches of rain and melted snow fall in a typical year, with about 1 inches of snow.
Source: NOAA 1991–2020 climate normals, Hattiesburg 5sw, MS weather station (4 miles away).
19,611 jobs at 1,505 businesses in Lamar County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
830 doctors and other health care providers list an office in Oak Grove’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 105 |
|---|---|
| Specialist doctors | 180 |
| Dentists | 75 |
| Nurse practitioners and physician assistants | 163 |
| Mental health providers | 212 |
| Physical and occupational therapists | 64 |
| Optometrists | 14 |
| Chiropractors | 17 |
| Pharmacies | 33 |
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
Pharmacies
Libraries
Counts are within about 1 mile 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 Lamar County School District, Forrest County School District, Hattiesburg. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Bellevue ElementaryHattiesburg | Pre-K–5 | 1,145 | Public | 5.7 mi |
| Longleaf ElementaryHattiesburg | Pre-K–5 | 787 | Public | 2.6 mi |
| Oak Grove ElementaryHattiesburg | Pre-K–5 | 758 | Public | 2.5 mi |
| Purvis Lower ElementaryPurvis | Pre-K–2 | 448 | Public | 12.0 mi |
| Rawls Springs Attendance CenterHattiesburg | Pre-K–6 | 214 | Public | 5.4 mi |
| Thames ElementaryHattiesburg | Pre-K–5 | 619 | Public | 2.7 mi |
| Purvis Upper ElementaryPurvis | 3–5 | 377 | Public | 11.3 mi |
| Jefferson/Todd Alternative ProgramPurvis | 5–12 | — | Alternative Education | 11.7 mi |
| Oak Grove Middle SchoolHattiesburg | 6–8 | 1,160 | Public | 2.6 mi |
| Purvis Middle SchoolPurvis | 6–8 | 447 | Public | 11.4 mi |
| Lamar Co Voc Tech CenterPurvis | 9–12 | — | Career and Technical | 10.7 mi |
| Oak Grove High SchoolHattiesburg | 9–13 | 1,750 | Public | 1.4 mi |
| Purvis High SchoolPurvis | 9–13 | 614 | Public | 11.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Grace Community SchoolHattiesburg | Pre-K–K | 3 | Christian (no specific denomination) | 1.7 mi |
| Learning Tree Christian AcademyPurvis | Pre-K–2 | 17 | Christian (no specific denomination) | 2.6 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 Hattiesburg, West Hattiesburg, Purvis, Arnold Line and Rawls Springs.
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.