Hammond is a city in Tangipahoa Parish, Louisiana, home to about 21,539 people across 14 square miles. Its ZIP codes are 70401, 70402 and 70403.
Homes sold for a median of $146 per square foot across 2 ZIP codes in the three months ending August 2026, and 0 of 2 were seller’s markets.
Mostly Hammond; also Natalbany
All in Hammond
Mostly Hammond; also Ponchatoula
Each card is that ZIP code’s whole market, including any part outside Hammond. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Hammond’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)38 miles away |
|---|---|
| Nearest city of 250,000+ | New Orleans, LA45 miles away |
| Nearest city of 1 million+ | Houston, TX297 miles away |
Straight-line distances from the center of Hammond; 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.
Hammond had 19,584 residents in the 2020 census, up 11% since 2000.
It’s the 21st largest of 487 towns in Louisiana by population.
Tangipahoa Parish grew from 17,625 residents in 1900 to 133,157 in 2020.
Tangipahoa Parish, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 92°F in summer, and winter lows average 38°F. About 64.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Hammond 5 E, LA weather station (6 miles away).
39,823 jobs at 2,617 businesses in Tangipahoa Parish. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
893 doctors and other health care providers list an office in Hammond’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 56 |
|---|---|
| Specialist doctors | 181 |
| Dentists | 57 |
| Nurse practitioners and physician assistants | 225 |
| Mental health providers | 275 |
| Physical and occupational therapists | 70 |
| Optometrists | 10 |
| Chiropractors | 19 |
| Pharmacies | 26 |
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 (6 nearby)
Grocery stores (4 nearby)
Pharmacies (5 nearby)
Libraries (2 nearby)
Museums (1 nearby)
Theaters and performance venues (2 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 1818.
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 Tangipahoa Parish. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hammond Eastside MagnetHammond | Pre-K–8 | 1,340 | Public | 6.0 mi |
| Hammond Westside MontessoriHammond | Pre-K–8 | 1,022 | Public | 1.6 mi |
| O.W. Dillon Leadership AcademyKentwood | Pre-K–6 | 314 | Public | 29.2 mi |
| Southeastern LA University Lab SchoolHammond | Pre-K–8 | 257 | Public | 0.9 mi |
| Woodland Park MagnetHammond | Pre-K–3 | 458 | Public | 2.0 mi |
| Greenville Park Leadership AcademyHammond | 4–8 | 384 | Public | 0.9 mi |
| Hammond High Magnet SchoolHammond | 9–12 | 1,606 | Public | 6.0 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Emmanuel Sda SchoolHammond | Pre-K–8 | 38 | Seventh-day Adventist | 1.2 mi |
| Holy Ghost SchoolHammond | Pre-K–8 | 560 | Roman Catholic | 0.9 mi |
| Trafton Academy at HammondHammond | Pre-K–8 | 219 | Nonsectarian | 2.8 mi |
| Oaks Montessori SchoolHammond | Ungraded | 38 | Nonsectarian | 2.3 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 Natalbany and Ponchatoula.
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.