Slidell is a city in St. Tammany Parish, Louisiana, home to about 28,561 people across 15 square miles. Its ZIP codes are 70458 and 70460, and parts of 70461 are in Slidell too.
Homes sold for a median of $124 per square foot across 2 ZIP codes in the three months ending August 2026, and 0 of 2 were seller’s markets.
Mostly Slidell; also Eden Isle
Each card is that ZIP code’s whole market, including any part outside Slidell. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Slidell’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)35 miles away |
|---|---|
| Nearest city of 250,000+ | New Orleans, LA18 miles away |
| Nearest city of 1 million+ | Houston, TX337 miles away |
Straight-line distances from the center of Slidell; 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.
Slidell had 28,781 residents in the 2020 census, up 12% since 2000.
It’s the 15th 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 42°F. About 66.4 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Slidell, LA weather station (about a mile 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).
658 doctors and other health care providers list an office in Slidell’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 62 |
|---|---|
| Specialist doctors | 138 |
| Dentists | 51 |
| Nurse practitioners and physician assistants | 131 |
| Mental health providers | 185 |
| Physical and occupational therapists | 63 |
| Optometrists | 11 |
| Chiropractors | 17 |
| Pharmacies | 27 |
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 (19 nearby)
Grocery stores (7 nearby)
Pharmacies (4 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues (3 nearby)
Counts are within about 2.5 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.
Established in 1882.
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 St. Tammany Parish. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Abney Elementary Early Childhood CenterSlidell | Pre-K–K | 233 | Public | 1.8 mi |
| Alton Elementary SchoolSlidell | Pre-K–5 | 208 | Public | 3.8 mi |
| Bayou Woods Elementary SchoolSlidell | Pre-K–3 | 431 | Public | 1.4 mi |
| Bonne Ecole Elementary SchoolSlidell | Pre-K–6 | 651 | Public | 1.1 mi |
| Cypress Cove Elementary SchoolSlidell | Pre-K–1 | 593 | Public | 3.9 mi |
| Florida Avenue Elementary SchoolSlidell | Pre-K–6 | 440 | Public | 0.3 mi |
| Glynn H. Brock Elementary SchoolSlidell | Pre-K–5 | 345 | Public | 0.8 mi |
| Henry Mayfield Elementary SchoolSlidell | Pre-K–6 | 749 | Public | 5.7 mi |
| Whispering Forest Elementary SchoolSlidell | Pre-K–3 | 453 | Public | 2.8 mi |
| W.L. Abney ElementarySlidell | 1–5 | 936 | Public | 1.7 mi |
| Honey Island Elementary SchoolSlidell | 2–3 | 607 | Public | 3.9 mi |
| Carolyn Park MiddleSlidell | 4–6 | 233 | Public | 1.2 mi |
| Clearwood Junior High SchoolSlidell | 4–8 | 539 | Public | 2.7 mi |
| Little Oak Middle SchoolSlidell | 4–6 | 847 | Public | 2.7 mi |
| St. Tammany Junior High SchoolSlidell | 6–8 | 686 | Public | 1.0 mi |
| Boyet Junior High SchoolSlidell | 7–8 | 644 | Public | 2.7 mi |
| Slidell Junior High SchoolSlidell | 7–8 | 724 | Public | 0.3 mi |
| Northshore High SchoolSlidell | 9–12 | 1,518 | Public | 2.5 mi |
| Salmen High SchoolSlidell | 9–12 | 1,091 | Public | 2.4 mi |
| Slidell High SchoolSlidell | 9–12 | 1,654 | Public | 0.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Children's CollegeSlidell | Pre-K–K | 5 | Nonsectarian | 0.5 mi |
| Lake Castle Slidell Private SchoolSlidell | Pre-K–8 | 336 | Roman Catholic | 3.3 mi |
| Lakeside Christian AcademySlidell | Pre-K–12 | 154 | Christian (no specific denomination) | 1.7 mi |
| Our Lady of Lourdes Elementary SchoolSlidell | Pre-K–7 | 301 | Roman Catholic | 2.3 mi |
| Slidell Christian AcademySlidell | Pre-K–6 | 24 | Christian (no specific denomination) | 2.9 mi |
| First Baptist Christian SchoolSlidell | 1–12 | 278 | Baptist | 2.5 mi |
| Harvest Christian AcademySlidell | 3–12 | 15 | Christian (no specific denomination) | 2.1 mi |
| Pope John Paul II Catholic High SchoolSlidell | 8–12 | 357 | Roman Catholic | 2.4 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 Eden Isle.
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.