Residential delivery area · Louisiana
ZIP Code 70403: Hammond, LA
ZIP code 70403 uses the postal name Hammond, Louisiana and lies mostly in Tangipahoa Parish (86% of its land) with the rest in Livingston Parish (Census 2020 ZIP-county file). About 30,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Hammond's 3 residential ZIP codes. Median household income is $50,976 (Census Bureau, ACS 2020-2024). By Census place, 14% of its land lies in Hammond, and under 1% in smaller places; 85% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Hammond · 3 residential ZIPs
- County
- Tangipahoa Parish (86%); Livingston Parish (14%)
- Census places
- Hammond
- Neighborhoods
- Avalon Terrace, Cypress Cove, Hollyridge, Southwood Ridge, Woodland Park GeoNames
- Metro area
- Hammond, LA
- House districts
- LA-1 (73%), LA-5 (27%) 119th Congress, by share of land
- State
- Louisiana
- Time zone
- Central
- Land area
- 42.3 sq mi · 713 people per sq mi
- PO Box ZIPs
- 70404 also use the name Hammond
Where is ZIP code 70403?
70403 centers on 30.486°, -90.488° and covers 42.3 square miles of land plus 0.2 of water. It borders 6 ZIP codes: 70401, 70711, 70462, 70455, 70454, 70744.
The map draws ZIP code areas only. For the streets inside 70403, 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 70403 compare with the rest of Hammond?
| Measure | 70403 | In Hammond | In Tangipahoa Parish | In LA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 30,173 | 1st of 3 | 3rd of 18 | 42nd of 539 |
| Median household income | $51k | 1st of 2 | 7th of 10 | 171st of 251 |
| Median home value | $212k | 1st of 2 | 5th of 11 | 104th of 285 |
Its median household income is higher than in 15% of U.S. residential ZIP codes, and it is denser than 75% 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 70403?
The 2020 Census counted 29,737 people in 70403; the ACS, which samples households over 2020-2024, estimates 30,173. Between the 2010 and 2020 censuses its population grew 14.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 30,173
- 2020 Census count
- 29,737+14.3% since 2010 (26,011)
- Households
- 12,582
- Median age
- 36.1
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 70403?
Of the 30,173 people the ACS estimates in 70403, 23.6% are under 18 and 14.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (54.4%), then Black (not Hispanic) (36.6%).
- Under 1823.6%
- 18 to 6461.5%
- 65 and older14.9%
- White, not Hispanic54.4%
- Black, not Hispanic36.6%
- Hispanic or Latino5.6%
- Other or two or more2.4%
- Asian, not Hispanic1.1%
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 70403 earn?
Median household income is $50,976 (ACS 2020-2024), the 7th highest of the 10 ranked ZIP codes in Tangipahoa Parish. It is not measurably different from 2015-2019 ($59,320 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $50,976±$5,655
- Income per person
- $28,846
- Below the poverty line
- 25.1%
- Unemployed (of the labor force)
- 5.4%
- Adults 25+ with a bachelor's degree
- 22.8%
- Adjusted gross income per tax return, 2022
- $62,78012,200 returns; wages 70% 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 70403?
FHFA's house price index for 70403, built from repeat sales and appraisals of the same homes, rose 45% from 2015 to 2025 and rose 30% from 2020 to 2025, and moved +5.4% in 2025.
- Median home value (owners' estimate)
- $212,400
- Median gross rent
- $1,079
- Homes owned by their occupants
- 66.4%
- Housing units
- 14,019
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 70403?
806 business establishments had a location in this ZIP code in 2023, 78 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance158
- Retail trade126
- Accommodation and food services78
- Other services (except public administration)66
- Finance and insurance65
- Professional, scientific, and technical services64
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 70403?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 70401 | Hammond | 21,221 | $51k | 3.8 mi |
| 70711 | Albany | 5,612 | $94k | 6.8 mi |
| 70462 | Springfield | 5,593 | $68k | 9.4 mi |
| 70455 | Robert | 2,181 | $57k | 10.2 mi |
| 70454 | Ponchatoula | 34,564 | $72k | 11.4 mi |
| 70744 | Holden | 6,070 | $61k | 11.8 mi |
| 70402 | Hammond | 1,850 | – | 2.4 mi (near) |
| 70451 | Natalbany | 65 | – | 4.4 mi (near) |
| 70466 | Tickfaw | 10,148 | $66k | 5.8 mi (near) |
| 70443 | Independence | 9,006 | $58k | 10.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.