Residential delivery area · Louisiana
ZIP Code 70788: White Castle, LA
ZIP code 70788 uses the postal name White Castle, Louisiana and lies entirely in Iberville Parish (Census 2020 ZIP-county file). About 3,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $33,079 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Bayou Goula (2%), White Castle (under 1%) and Dorseyville (under 1%); 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- White Castle · its only residential ZIP
- County
- Iberville Parish
- Census places
- Bayou Goula (2%) census-designated place; White Castle (under 1%); Dorseyville (under 1%) census-designated place
- Metro area
- Baton Rouge, LA
- House district
- LA-2 119th Congress
- State
- Louisiana
- Time zone
- Central
- Land area
- 112.1 sq mi · 34 people per sq mi
Where is ZIP code 70788?
70788 centers on 30.132°, -91.184° and covers 112.1 square miles of land plus 2.6 of water. It borders 5 ZIP codes: 70341, 70346, 70764, 70776, 70339.
The map draws ZIP code areas only. For the streets inside 70788, 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).
How does 70788 compare with the rest of Iberville Parish?
| Measure | 70788 | In Iberville Parish | In LA |
|---|---|---|---|
| People (ACS 2020-2024) | 3,830 | 3rd of 8 | 253rd of 539 |
| Median household income | $33k | not ranked | not ranked |
| Median home value | $138k | not ranked | not ranked |
70788's median household income is not ranked: its 90% margin of error (±$10,063) is more than a quarter of the figure ($33,079); 70788's median home value is not ranked: its 90% margin of error (±$52,976) is more than a quarter of the figure ($138,100). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 35% of 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 70788?
The 2020 Census counted 3,692 people in 70788; the ACS, which samples households over 2020-2024, estimates 3,830. Between the 2010 and 2020 censuses its population fell 8.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,830±619 (90% margin)
- 2020 Census count
- 3,692−8.9% since 2010 (4,051)
- Households
- 1,403
- Median age
- 36.3
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 70788?
Of the 3,830 people the ACS estimates in 70788, 26.5% are under 18 and 20.4% are 65 or older. The largest group by race and Hispanic origin is Black (not Hispanic) (66.3%), then White (not Hispanic) (29.5%).
- Under 1826.5%
- 18 to 6453.1%
- 65 and older20.4%
- Black, not Hispanic66.3%
- White, not Hispanic29.5%
- Hispanic or Latino2.8%
- Other or two or more1.3%
- Asian, not Hispanic0.0%
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 70788 earn?
Median household income is $33,079 (ACS 2020-2024). It fell from $59,903 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $33,079±$10,063
- Income per person
- $21,433
- Below the poverty line
- 37.8%
- Unemployed (of the labor force)
- 12.9%
- Adults 25+ with a bachelor's degree
- 12.1%
- Adjusted gross income per tax return, 2022
- $57,6671,560 returns; wages 71% 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 70788?
- Median home value (owners' estimate)
- $138,100
- Median gross rent
- $747
- Homes owned by their occupants
- 53.0%
- Housing units
- 1,701
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 70788?
40 business establishments had a location in this ZIP code in 2023, 11 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade10
- Construction6
- Administrative and support and waste management and remediation services5
- Transportation and warehousing3
- Finance and insurance3
- Professional, scientific, and technical services3
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 70788?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 70341 | Belle Rose | 3,690 | $35k | 9.5 mi |
| 70346 | Donaldsonville | 9,927 | $35k | 10.1 mi |
| 70764 | Plaquemine | 14,757 | $55k | 10.3 mi |
| 70776 | Saint Gabriel | 7,100 | $97k | 10.4 mi |
| 70339 | Pierre Part | 4,848 | $52k | 15.7 mi |
| 70721 | Carville | 447 | <$2,500 | 8.9 mi (near) |
| 70780 | Sunshine | 487 | $89k | 11.5 mi (near) |
| 70391 | Paincourtville | 0 | – | 12.0 mi (near) |
| 70734 | Geismar | 9,213 | $129k | 12.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.