70788 ZIP Code — White Castle, LA

Iberville County, Louisiana

ZIP code 70788 is located in White Castle, Louisiana, within Iberville County. It covers approximately 112.14 square miles and serves a population of 4,076 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 225.

About ZIP code 70788

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $156,600. Owner-occupancy sits near the national average at 55%.

Median household income is $41,914. Poverty affects 30% of residents, above the national average. SNAP benefit usage at 31% of households reflects economic stress in the area. 41% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.

College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (16%), smoking (24%) compared to national benchmarks. 15% of residents lack health insurance, above the national average.

Notable community characteristics include disability rates above the national average at 22%.

Overall, ZIP code 70788 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

4,076

population

112.14

sq mi land

Standard

ZIP type

Central (CT)

timezone

70788 ZIP code map

Cities in ZIP code 70788

Below are the cities the US Postal Service accepts for ZIP code 70788. Using any city not on this list may result in mail delivery delays.

City	Status
White Castle	Acceptable
White Castle	Preferred

Nearby ZIP codes

70721 Carville (7.2 mi) 70764 Plaquemine (8.8 mi) 70776 Saint Gabriel (9.6 mi) 70341 Belle Rose (9.7 mi) 70346 Donaldsonville (9.9 mi) 70734 Geismar (11.2 mi) 70780 Sunshine (11.5 mi) 70339 Pierre Part (13.5 mi) 70725 Darrow (13.6 mi) 70393 Plattenville (13.8 mi) 70710 Addis (15.4 mi) 70737 Gonzales (16.3 mi)

Demographics updated 05/2026

Population
Total population	4,076
Population density	36 / sq mi
State FIPS	22
County FIPS	047

Geography
Land area	112.14 sq mi
Water area	2.65 sq mi
Latitude	30.1323
Longitude	-91.1759
Timezone	Central (CT)
Area code	225

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	53.9%	49.6%	49.2%
$50k – $100k	28.1%	26.4%	27.7%
$100k – $200k	13.9%	21.1%	18.3%
Over $200k	4.0%	2.9%	4.7%

Demographics & statistics

4,076

Population

People per sq mi

36.3

Median age

$41,914

Median household income

$23,923

Per capita income

$156,600

Median home value

$692

Median monthly rent

54.7%

Home ownership

30.4%

Poverty rate

11.5%

Unemployment

1,062

Housing units

11.2%

Bachelor's or higher

Age distribution

Male Female

142

Under 5

142

174

5–9

175

132

10–14

132

182

15–19

183

135

20–24

135

191

25–34

192

295

35–44

297

172

45–54

174

55–59

128

60–64

128

275

65–74

276

104

75–84

104

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,075	26.4%
18 and over	3,001	73.6%
65 and over	786	19.3%
Median age	36.3 years

Race & ethnicity

Black or African American 65.2%

White 31.2%

Two or more races 1.9%

Hispanic or Latino 1.6%

Group	Count	%
Black or African American	2,702	65.2%
White	1,293	31.2%
Two or more races	79	1.9%
Hispanic or Latino	66	1.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	53.9%	49.6%	49.2%
$50k – $100k	28.1%	26.4%	27.7%
$100k – $200k	13.9%	21.1%	18.3%
Over $200k	4.0%	2.9%	4.7%

Under $10k 15.7%

$10k–$15k 7.1%

$15k–$25k 13.9%

$25k–$35k 8.8%

$35k–$50k 7.9%

$50k–$75k 22.6%

$75k–$100k 11.0%

$100k–$150k 4.5%

$150k–$200k 3.4%

$200k+ 5.1%

Range	% of households
Under $10k	15.7%
$10k–$15k	7.1%
$15k–$25k	13.9%
$25k–$35k	8.8%
$35k–$50k	7.9%
$50k–$75k	22.6%
$75k–$100k	11.0%
$100k–$150k	4.5%
$150k–$200k	3.4%
$200k+	5.1%
Median income	$41,914

Housing

Home values

Under $50k 22.6%

$50k–$100k 9.1%

$100k–$150k 15.1%

$150k–$200k 17.1%

$200k–$300k 25.7%

$300k–$500k 6.4%

$500k–$1M 2.8%

$1M+ 1.2%

Housing overview

Metric	Value
Median home value	$156,600
Median rent / month	$692
Owner occupied	54.7%
Renter occupied	45.3%
Vacant	16.6%
Single-family detached	60.7%
Large apartment buildings	0.0%
Mobile homes	17.6%
Median rooms	5.3
Avg household size (owned)	2.82

Year built

Era	%
2020 or later	0.6%
2010–2019	7.9%
2000–2009	12.1%
1990–1999	10.6%
1980–1989	24.2%
1970–1979	16.5%
1960–1969	11.0%
1950–1959	6.5%
1940–1949	3.2%
1939 or earlier	7.4%

Bedrooms

Size	% of units
No bedroom (studio)	1.8%
1 bedroom	10.7%
2 bedrooms	22.2%
3 bedrooms	50.5%
4 bedrooms	10.8%
5+ bedrooms	4.1%

Vehicles per household

Vehicles	% of households
No vehicle	16.7%
1 vehicle	43.4%
2 vehicles	21.7%
3 or more	18.1%

Heating fuel

Fuel type	%
Utility gas	28.6%
Electricity	63.7%
Propane / LP gas	7.4%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	452	31.8%
Cohabiting couple	90	6.3%
Male householder, no spouse	242	17.0%
Female householder, no spouse	639	44.9%
Households with children under 18	449	31.6%
Households with seniors (65+)	479	33.7%
Average household size	2.86

Marital status

Status	Male	Female
Never married	57.9%	39.0%
Married	31.9%	33.4%
Separated	0.6%	1.3%
Widowed	0.7%	8.6%
Divorced	8.9%	17.6%

Education

Less than 9th grade 1.8%

Some HS, no diploma 18.4%

HS graduate 46.9%

Some college, no degree 15.8%

Associate's degree 5.8%

Bachelor's degree 7.9%

Graduate / professional 3.4%

Metric	%
HS diploma or higher	79.7%
Bachelor's or higher	11.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	74	6.4%
Kindergarten	94	8.1%
Elementary school	398	34.2%
High school	349	30.0%
College / grad school	250	21.5%

Employment

Industry of employment

Education & healthcare 23.8%

Professional & management 17.5%

Retail trade 8.5%

Finance & real estate 8.1%

Wholesale trade 7.7%

Manufacturing 6.8%

Arts, food & hospitality 6.5%

Construction 5.5%

Agriculture & mining 5.4%

Transportation & utilities 4.0%

Public administration 3.9%

Other services 2.3%

Occupation

Category	%
Management, business & arts	20.4%
Service	31.4%
Sales & office	21.9%
Natural resources & construction	13.9%
Production & transportation	12.5%

Employment type

Type	%
Private sector	81.2%
Government	10.9%
Self-employed	8.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	82.5%
Carpool	12.4%
Public transit	0.0%
Walk	4.9%
Work from home	0.2%
Other means	0.0%
Avg commute (minutes)	21.9

Poverty

All people 30.4%

Under 18 years 54.0%

18 and over 22.0%

Married-couple families 2.2%

Female-led households 51.7%

Income support

Source	% of households
Social Security	40.5%
Retirement income	18.8%
Supplemental Security	12.5%
Cash public assistance	1.5%
Food stamps / SNAP	31.0%

Health indicators

Condition	%
Obesity	41.1%
High blood pressure	45.4%
High cholesterol	36.7%
Diabetes	16.2%
Heart disease	7.7%
Stroke	4.7%
Asthma	10.6%
Arthritis	27.5%
Kidney disease	3.8%
Pulmonary disease	8.8%
Cancer	6.0%

Behavior / access	%
Smoking	24.2%
Binge drinking	16.0%
No physical activity	35.6%
Less than 7 hrs sleep	40.5%
Depression	23.2%
Fair or poor health	24.0%
Poor mental health	18.4%
Poor physical health	14.1%
No health insurance	18.3%
Visited doctor (checkup)	80.8%
Visited dentist	50.3%
Cholesterol screening	89.6%
Teeth loss	22.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	133	4.4%

Disability	%
Any disability	22.3%
Under 18	6.0%
18–64 years	15.3%
65 and over	64.4%

Health insurance coverage

Type	%
Private insurance	41.7%
Public insurance	52.8%
No insurance	15.2%
Uninsured under 19	12.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,792	93.0%
Spanish	5	0.1%
Other Indo-European	5	0.1%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,069	99.8%
Born in same state	4,066	99.8%
Born in different state	3,934	96.5%
Foreign born	3	0.1%
Naturalized citizen	7	0.2%
Not a US citizen	7	100.0%

Ancestry

Ancestry	Count	%
Arab	171	4.2%
French	168	4.1%
German	84	2.1%

Ancestry	Count	%
Italian	67	1.6%
Polish	49	1.2%

Technology access

Metric	% of households
Computer access	34.9%
Internet access	87.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 70788

What city is ZIP code 70788 in?

ZIP code 70788 is primarily assigned to White Castle, Louisiana.

What county is ZIP code 70788 in?

ZIP code 70788 falls within Iberville County, Louisiana.

What is the poverty rate in ZIP code 70788?

30% of residents in ZIP code 70788 live below the poverty line, above the national average.

How educated is the population of ZIP code 70788?

11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 70788 have a large retiree population?

41% of households in ZIP code 70788 receive Social Security income, suggesting a significant retiree or disability population.

What are the health statistics for ZIP code 70788?

Health data for ZIP code 70788 shows elevated rates of diabetes (16%) and smoking (24%) compared to national benchmarks.

What timezone is ZIP code 70788 in?

ZIP code 70788 observes the CST timezone.