Postal Codes

70788 ZIP Code

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ZIP code 70788 covers White Castle, Louisiana, with a population of about 3,967 and a median household income of $36,250.

Population
3,96735 per square mile
Median age
36.12.6 points below the US average
Median household income
$36,25040% below the Louisiana median
Poverty rate
31.7%19.3 points above the US average
Typical home value
$128,596down 0.9% in five years
Median rent
$69533% below the Louisiana median
Degree or higher
13.8%21.2 points below the US average
Homeownership
56.7%8.3 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
46

Where 70788 is

White Castle, Louisiana — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population3,967
Median age36.1
Family households57%
Born outside the US0.3%
Speaks a language other than English at home1%
White (non-Hispanic)30.5%
Black (non-Hispanic)66.4%
Asian (non-Hispanic)0%
Hispanic or Latino2.3%
Veterans4.1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$36,250
Income per person$23,683
Poverty rate31.7%
Households on SNAP or cash assistance34.7%

Household income distribution

Under $10k12.7%
$10–15k13.5%
$15–20k7.3%
$20–25k5.2%
$25–30k5.3%
$30–35k5.9%
$35–40k2.8%
$40–45k3.1%
$45–50k2.6%
$50–60k9.5%
$60–75k13.8%
$75–100k5.6%
$100–125k1.6%
$125–150k0.9%
$150–200k5.0%
$200k or more5.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed1,560
Mean adjusted gross income$57,667
Returns declaring $200,000 or more3.2%
Returns, under $25k39.1%
Returns, $25k–$50k27.6%
Returns, $50k–$75k12.2%
Returns, $75k–$100k5.8%
Returns, $100k–$200k12.2%
Returns, $200k or more3.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$146,300
Median gross rent$695
Rent as a share of household income28%
Owner-occupied56.7%
Vacant homes16.4%
Median year built1982

What the homes are

Detached house61.4%
Attached house7.3%
2 to 4 units11.5%
5 to 19 units0.6%
Mobile home19.3%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$128,596as of 2026-07
Typical home value, 1 yeardown 0.8%
Typical home value, 5 yearsdown 0.9%
Typical home value since 2000
201920222026$144,427$118,191

$118,191 in 2019 to $128,596 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate12.2%
Bachelor's degree or higher13.8%
High school diploma or higher79.1%
Works from home1.9%
Drives to work alone80.8%
Takes public transport0%
Commutes 45 minutes or more9.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity46.9% 13.5 pts above the national average of 33.4%
Diagnosed diabetes20.5% 8.5 pts above the national average of 12%
Currently smokes21.8% 8.6 pts above the national average of 13.2%
High blood pressure50.1% 16 pts above the national average of 34.1%
Fair or poor general health32.6% 12.3 pts above the national average of 20.3%
No health insurance (18–64)10.7% 0.6 pts below the national average of 11.3%
Depression25.1% 3.2 pts above the national average of 21.9%
No leisure-time physical activity39.9% 14.5 pts above the national average of 25.4%
Arthritis34.2% 9.1 pts above the national average of 25.1%
Binge drinking13.6% 2.4 pts below the national average of 16%
Taking blood pressure medication81.3% 6.6 pts above the national average of 74.7%
Cancer (non-skin)7.1% 0.6 pts below the national average of 7.7%
Current asthma11.5% 1.1 pts above the national average of 10.4%
Coronary heart disease9.4% 3.2 pts above the national average of 6.2%
Routine check-up in past year83.5% 6.8 pts above the national average of 76.7%
Cholesterol screening86.4% 0.5 pts above the national average of 85.9%
Cognitive disability21.4% 6.6 pts above the national average of 14.8%
Colorectal screening66% 1.7 pts above the national average of 64.3%
COPD11.1% 4.5 pts above the national average of 6.6%
Visited a dentist50.2% 11.1 pts below the national average of 61.3%
Any disability46% 15.3 pts above the national average of 30.7%
Lacks emotional support34.1% 9.3 pts above the national average of 24.8%
Food insecurity33.8% 16.7 pts above the national average of 17.1%
Received food stamps31% 16.7 pts above the national average of 14.3%
Hearing disability8.7% 2 pts above the national average of 6.7%
High cholesterol40.9% 4.7 pts above the national average of 36.2%
Housing insecurity24.5% 10.7 pts above the national average of 13.8%
Independent living disability13.6% 5.2 pts above the national average of 8.4%
Lacks transport16.1% 6.9 pts above the national average of 9.2%
Loneliness38.4% 4 pts above the national average of 34.4%
Mammography use79.5% 3.6 pts above the national average of 75.9%
Poor mental health (14+ days)20.9% 4.1 pts above the national average of 16.8%
Mobility disability24.3% 10.3 pts above the national average of 14%
Poor physical health (14+ days)18.5% 5 pts above the national average of 13.5%
Self-care disability7.6% 3.6 pts above the national average of 4%
Utility shut-off threat18.4% 9.6 pts above the national average of 8.8%
Sleeps under 7 hours43.8% 7.4 pts above the national average of 36.4%
Stroke6% 2.6 pts above the national average of 3.4%
All natural teeth lost22% 9 pts above the national average of 13%
Vision disability9.7% 4.1 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments46
People employed604
Annual payroll$36,174,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 77% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss73.9 out of 100
Community resilience88.5 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought97.5Relatively High at its worst in this ZIP code
Coastal flooding95.3Relatively High at its worst in this ZIP code
Hurricane95.2Very High at its worst in this ZIP code
Cold wave78.5Relatively High at its worst in this ZIP code
Tornado76.8Relatively High at its worst in this ZIP code
Strong wind70.5Relatively Moderate at its worst in this ZIP code
Heat wave67.5Relatively Moderate at its worst in this ZIP code
Lightning67.4Relatively Moderate at its worst in this ZIP code
Landslide53.2Very Low at its worst in this ZIP code
Ice storm45.8Relatively Low at its worst in this ZIP code
Wildfire40.6Very Low at its worst in this ZIP code
Hail37.9Relatively Low at its worst in this ZIP code
River flooding31.8Relatively High at its worst in this ZIP code
Winter weather25.8Relatively Low at its worst in this ZIP code
Earthquake19.1Very Low at its worst in this ZIP code
Compared with Louisiana and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPLouisianaUnited States
Median household income$36,250$60,023$78,538
Income per person$23,683$34,211$43,289
Poverty rate31.7%18.9%12.4%
Median home value$146,300$208,700$303,400
Median gross rent$695$1,038$1,348
Homeownership56.7%67.3%65%
Bachelor's degree or higher13.8%26.6%35%
Unemployment rate12.2%6.3%5.2%
Works from home1.9%7.2%13.5%
Born outside the US0.3%4.7%13.9%
Median age36.137.838.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationCARVILLE 2 SW, LA US6.9 km away
Rain in a year63 in

Average high and low by month

January61.7°F / 43.1°F5.47 in rain
February65.6°F / 46.7°F4.39 in rain
March71.9°F / 52.3°F4.42 in rain
April77.8°F / 58.7°F4.77 in rain
May84.3°F / 66.7°F5.6 in rain
June88.5°F / 72.9°F7.14 in rain
July90°F / 75°F6.28 in rain
August90.3°F / 74.7°F5.97 in rain
September87.1°F / 70.9°F4.48 in rain
October79.6°F / 60.7°F4.95 in rain
November70.4°F / 50.3°F4.06 in rain
December64°F / 45°F5.01 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket41% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Iberville Parish School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability77more vulnerable than 77% of US census tracts
Socioeconomic status77more vulnerable than 77% of US census tracts
Household characteristics83more vulnerable than 83% of US census tracts
Racial and ethnic minority status69more vulnerable than 69% of US census tracts
Housing type and transport54more vulnerable than 54% of US census tracts
Walkability4.4 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

70721 Carville, LA10.8 km away
70776 Saint Gabriel, LA14 km away
70764 Plaquemine, LA14.6 km away
70765 Plaquemine, LA15.9 km away
70780 Sunshine, LA16 km away
70734 Geismar, LA17.8 km away
70346 Donaldsonville, LA18.3 km away
70341 Belle Rose, LA19.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Iberville Parish100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area112.14 sq mi
Water area2.65 sq mi
Population density35 people per sq mi
Latitude, longitude30.1545, -91.1773

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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