Residential delivery area · Louisiana

ZIP Code 70401: Hammond, LA

ZIP code 70401 uses the postal name Hammond, Louisiana and lies entirely in Tangipahoa Parish (Census 2020 ZIP-county file). About 21,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Hammond's 3 residential ZIP codes. Median household income is $50,653 (Census Bureau, ACS 2020-2024). By Census place, 22% of its land lies in Hammond, and 5% in smaller places; 73% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
7national area: Louisiana, Arkansas, Oklahoma and Texas
704sectional center: New Orleans, LA (SCF 700)
01delivery area within it
Town
Hammond · 3 residential ZIPs
Census places
Hammond
Neighborhoods
Bellewood, Westdale, Whitmar Acres, Woodbridge GeoNames
Metro area
Hammond, LA
House districts
LA-5 (70%), LA-1 (30%) 119th Congress, by share of land
Time zone
Central
Land area
34.7 sq mi · 612 people per sq mi
PO Box ZIPs
70404 also use the name Hammond

Where is ZIP code 70401?

70401 centers on 30.534°, -90.455° and covers 34.7 square miles of land plus 0.3 of water. It borders 7 ZIP codes: 70402, 70451, 70466, 70403, 70455, 70711, 70446.

70402 · Hammond70403 · Hammond70446 · Loranger70451 · Natalbany70455 · Robert70466 · Tickfaw70711 · Albany70401 · Hammond (this ZIP)70401704467040370466704557071170402 · Hammond70403 · Hammond70446 · Loranger70451 · Natalbany70455 · Robert70466 · Tickfaw70711 · Albany70401 · Hammond (this ZIP)70401704467040370466704557071170402 · Hammond70403 · Hammond70446 · Loranger70451 · Natalbany70455 · Robert70466 · Tickfaw70711 · Albany70401 · Hammond (this ZIP)704017044670403704667045570711
Shaded by median household income, in national fifths (ACS 2020-2024); 70401 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 70401, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.

How does 70401 compare with the rest of Hammond?

Rank of 70401 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure70401In HammondIn Tangipahoa ParishIn LA
People (ACS 2020-2024)21,2212nd of 35th of 1882nd of 539
Median household income$51k2nd of 28th of 10173rd of 251
Median home value$211k2nd of 26th of 11109th of 285

Its median household income is higher than in 15% of U.S. residential ZIP codes, and it is denser than 74% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 70401?

The 2020 Census counted 21,014 people in 70401; the ACS, which samples households over 2020-2024, estimates 21,221. Between the 2010 and 2020 censuses its population grew 2.9% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
21,221
2020 Census count
21,014+2.9% since 2010 (20,415)
Households
8,470
Median age
29.9

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 70401?

Of the 21,221 people the ACS estimates in 70401, 23.8% are under 18 and 11.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (51.5%), then Black (not Hispanic) (39.3%).

  • Under 1823.8%
  • 18 to 6464.6%
  • 65 and older11.6%
Age of the people of 70401 (ACS 2020-2024, B01001)
  • White, not Hispanic51.5%
  • Black, not Hispanic39.3%
  • Other or two or more4.3%
  • Hispanic or Latino4.2%
  • Asian, not Hispanic0.7%
Race and Hispanic origin in 70401 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 70401 earn?

Median household income is $50,653 (ACS 2020-2024), the 8th highest of the 10 ranked ZIP codes in Tangipahoa Parish. It is not measurably different from 2015-2019 ($47,308 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$50,653±$8,909
Income per person
$28,808
Below the poverty line
23.6%
Unemployed (of the labor force)
4.6%
Adults 25+ with a bachelor's degree
27.8%
Adjusted gross income per tax return, 2022
$61,1227,800 returns; wages 66% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 70401?

FHFA's house price index for 70401, built from repeat sales and appraisals of the same homes, rose 43% from 2015 to 2025 and rose 28% from 2020 to 2025, and moved +0.3% in 2025.

Median home value (owners' estimate)
$211,000
Median gross rent
$1,021
Homes owned by their occupants
45.9%
Housing units
10,542
0 100 200 300 198619902000201020202025 0 100 200 300 198619902000201020202025 0 100 200 300 198619902000201020202025
Index = 100 in 1986, the first year FHFA reports for 70401; 2025: 293.4. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 70401?

677 business establishments had a location in this ZIP code in 2023, 22 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).

  • Retail trade124
  • Accommodation and food services92
  • Health care and social assistance77
  • Other services (except public administration)68
  • Professional, scientific, and technical services58
  • Finance and insurance53

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 70401?

ZIP codes that share a boundary with 70401, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
70402Hammond1,850–1.4 mi
70451Natalbany65–1.9 mi
70466Tickfaw10,148$66k3.6 mi
70403Hammond30,173$51k3.8 mi
70455Robert2,181$57k7.8 mi
70711Albany5,612$94k8.2 mi
70446Loranger7,173$72k9.1 mi
70443Independence9,006$58k8.5 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.