Zip Code 70401
Hammond, Louisiana — Tangipahoa Parish
📍 ZIP code 70401 is in Hammond, Tangipahoa Parish, Louisiana.
ZIP code 70401 is located in Hammond, Tangipahoa Parish, Louisiana. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 21,901. The area code for ZIP code 70401 is 318.
Quick Answer
Zip code 70401 is in Hammond, Louisiana (Tangipahoa Parish). It has a population of 21,901, median household income of $50,995, and median home value of $226,800.
Population
21,901
Income
$50,995
Home Value
$226,800
Climate
92°F / 38°F
About Zip Code 70401
Zip code 70401 is located in Hammond, Louisiana, within Tangipahoa Parish. Home to approximately 21,901 residents, this area sits at an elevation of 46 ft and falls within the Central (CST/CDT) timezone. The local area code is 318.
The median household income is $50,995 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $226,800, and the cost of living index is 69 (31% below the national average of 100).
Summers average a high of 92°F while winters drop to 38°F. The area receives about 64 in of rain annually. The zip code covers 35 square miles of land area and 0.2 square miles of water.
Key Statistics
21,901
$50,995
$226,800
Central (CST/CDT)
318
46 ft
35 sq mi
29.1
10,321
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Compare With Nearby Zip Codes
| Metric | 70401 | 70451 | 70466 | 70403 | 70455 | 70711 |
|---|---|---|---|---|---|---|
| City | Hammond, LA | Natalbany, LA | Tickfaw, LA | Hammond, LA | Robert, LA | Albany, LA |
| Population | 21,901 | 73 | 9,815 | 30,835 | 2,456 | 5,621 |
| Median Income | $50,995 | $0 | $63,691 | $50,547 | $54,720 | $89,274 |
| Home Value | $226,800 | $0 | $174,300 | $207,600 | $189,600 | $221,700 |
| Cost of Living | 69 | 100 | 69 | 69 | 83 | 93 |
| Median Age | 29.1 | -666666666 | 33.5 | 35.2 | 53.5 | 35.7 |
Cost of Living
100 = National Average. Hammond's cost of living is 31% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
4.4x
Demographics
Zip code 70401 has a population of 21,901 people with a median age of 29.1. There are 10,321 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Hammond (70401) population trend from 2010 to 2024
↑ 170.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
92°F
38°F
64 in
0 in
Hammond experiences hot summers with average highs around 92°F. Winters are mild with lows averaging 38°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$226,800
Median Household Income
$50,995
With 10,321 housing units across 35 square miles, 70401 has a housing density of 295 units per square mile. The home price-to-income ratio is 4.4x.
Location & Geography
Latitude
30.5336°
Longitude
-90.4554°
Land Area
35 sq mi
Water Area
0.2 sq mi
Nearby Zip Codes
Zip codes closest to 70401 (Hammond, LA) with distances:
All Zip Codes in Hammond, LA
Other zip codes serving Hammond:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 70401's $50,995. A way to compare Hammond to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 70401 (Hammond, LA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Hammond, Louisiana?
Hammond, Louisiana uses zip code 70401 along with 1 other zip codes.
What county is zip code 70401 in?
Zip code 70401 is located in Tangipahoa Parish, Louisiana.
What is the population of zip code 70401?
The population of zip code 70401 is 21,901 with a median age of 29.1.
Is 70401 in Hammond, Louisiana?
Yes, zip code 70401 is in Hammond, Tangipahoa Parish, Louisiana. The area code is 318.
Frequently Asked Questions
What city is zip code 70401 in?
Zip code 70401 is in Hammond, Louisiana. It is part of Tangipahoa Parish and uses the Central (CST/CDT) timezone.
What is zip code 70401?
Zip code 70401 is a U.S. postal code in Hammond, Louisiana (Tangipahoa Parish). It has a population of 21,901 and covers 35 square miles.
What is the population of zip code 70401?
The population of zip code 70401 (Hammond, LA) is 21,901 with a median age of 29.1. There are approximately 10,321 housing units in this area.
What is the median income in zip code 70401?
The median household income in zip code 70401 (Hammond, LA) is $50,995 per year. The cost of living index is 69 (100 = national average).
What is the average home price in zip code 70401?
The median home value in zip code 70401 (Hammond, LA) is $226,800. The cost of living index is 69 compared to the national average of 100.
What county is zip code 70401 in?
Zip code 70401 is located in Tangipahoa Parish, Louisiana. The primary city is Hammond.
What is the area code for zip code 70401?
Zip code 70401 in Hammond, LA uses area code 318. It is located in the Central (CST/CDT) timezone.
Is zip code 70401 a good place to live?
Zip code 70401 (Hammond, LA) has a cost of living index of 69 (100 = national average), a median household income of $50,995, and median home values of $226,800. The median age is 29.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 70401?
The cost of living index for zip code 70401 (Hammond, LA) is 69, where 100 represents the national average. This area is below the national average. Median home value: $226,800.
What schools serve zip code 70401?
Zip code 70401 in Hammond, Louisiana is served by the local school district of Tangipahoa Parish. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.