Folsom is a village in St. Tammany Parish, Louisiana, home to about 709 people across 1.9 square miles. It has no ZIP code of its own: it’s part of 70437.
Homes sold for a median of $183 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Folsom. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Folsom’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)43 miles away |
|---|---|
| Nearest city of 250,000+ | New Orleans, LA42 miles away |
| Nearest city of 1 million+ | Houston, TX316 miles away |
Straight-line distances from the center of Folsom; 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.
Folsom had 769 residents in the 2020 census, up 46% since 2000.
It’s the 310th largest of 487 towns in Louisiana by population.
St. Tammany Parish grew from 13,335 residents in 1900 to 264,570 in 2020.
St. Tammany Parish, 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 40°F. About 62.4 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Covington 4 Nnw, LA weather station (8 miles away).
86,457 jobs at 7,101 businesses in St. Tammany Parish. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
20 doctors and other health care providers list an office in Folsom.
Nearest hospitals
Providers with an office here
| Primary care doctors | 7 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 3 |
| Nurse practitioners and physician assistants | 3 |
| Mental health providers | 3 |
| Physical and occupational therapists | 3 |
| 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.
Public schools here are run by St. Tammany Parish. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Folsom Elementary SchoolFolsom | Pre-K–5 | 453 | Public | 0.8 mi |
| Folsom Junior High SchoolFolsom | 6–8 | 183 | Public | 2.0 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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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.