70390 ZIP Code — Napoleonville, LA

Assumption County, Louisiana

ZIP code 70390 is located in Napoleonville, Louisiana, within Assumption County. It covers approximately 147.77 square miles and serves a population of 7,336 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 985.

About ZIP code 70390

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $126,000. Owner-occupancy sits near the national average at 74%.

Median household income is $54,250. Poverty affects 19% of residents, above the national average. SNAP benefit usage at 24% of households reflects economic stress in the area. 31% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.

College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (16%), smoking (25%) compared to national benchmarks.

Overall, ZIP code 70390 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.

7,336

population

147.77

sq mi land

Standard

ZIP type

Central (CT)

timezone

70390 ZIP code map

Cities in ZIP code 70390

Below are the cities the US Postal Service accepts for ZIP code 70390. Using any city not on this list may result in mail delivery delays.

City	Status
Napoleonville	Preferred

Nearby ZIP codes

70393 Plattenville (6.2 mi) 70372 Labadieville (8.1 mi) 70339 Pierre Part (8.3 mi) 70341 Belle Rose (8.7 mi) 70086 Saint James (13.2 mi) 70380 Morgan City (14 mi) 70723 Convent (14.7 mi) 70346 Donaldsonville (15 mi) 70310 Thibodaux (16.4 mi) 70788 White Castle (17.5 mi) 70725 Darrow (17.5 mi) 70395 Schriever (17.9 mi)

Demographics updated 05/2026

Population
Total population	7,336
Population density	50 / sq mi
State FIPS	22
County FIPS	007

Geography
Land area	147.77 sq mi
Water area	0.39 sq mi
Latitude	29.9105
Longitude	-91.0361
Timezone	Central (CT)
Area code	985

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	47.6%	53.2%	49.2%
$50k – $100k	37.7%	29.0%	27.7%
$100k – $200k	14.0%	13.3%	18.3%
Over $200k	0.7%	4.5%	4.7%

Demographics & statistics

7,336

Population

People per sq mi

33.5

Median age

$54,250

Median household income

$24,246

Per capita income

$126,000

Median home value

$758

Median monthly rent

73.6%

Home ownership

19.4%

Poverty rate

10.7%

Unemployment

2,432

Housing units

16.1%

Bachelor's or higher

Age distribution

Male Female

298

Under 5

328

249

5–9

275

273

10–14

302

229

15–19

252

246

20–24

272

488

25–34

539

395

35–44

435

369

45–54

407

242

55–59

267

194

60–64

214

330

65–74

364

134

75–84

147

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,899	25.9%
18 and over	5,437	74.1%
65 and over	1,062	14.5%
Median age	33.5 years

Race & ethnicity

White 50.5%

Black or African American 38%

Two or more races 4.9%

Hispanic or Latino 4.7%

Asian 1%

American Indian / Alaska Native 0.6%

Other race 0.2%

Group	Count	%
White	3,889	50.5%
Black or African American	2,926	38%
Two or more races	380	4.9%
Hispanic or Latino	364	4.7%
Asian	80	1%
American Indian / Alaska Native	45	0.6%
Other race	16	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	47.6%	53.2%	49.2%
$50k – $100k	37.7%	29.0%	27.7%
$100k – $200k	14.0%	13.3%	18.3%
Over $200k	0.7%	4.5%	4.7%

Under $10k 6.4%

$10k–$15k 12.1%

$15k–$25k 9.1%

$25k–$35k 4.7%

$35k–$50k 13.2%

$50k–$75k 22.2%

$75k–$100k 6.8%

$100k–$150k 14.3%

$150k–$200k 9.1%

$200k+ 2.1%

Range	% of households
Under $10k	6.4%
$10k–$15k	12.1%
$15k–$25k	9.1%
$25k–$35k	4.7%
$35k–$50k	13.2%
$50k–$75k	22.2%
$75k–$100k	6.8%
$100k–$150k	14.3%
$150k–$200k	9.1%
$200k+	2.1%
Median income	$54,250

Housing

Home values

Under $50k 19.9%

$50k–$100k 21.0%

$100k–$150k 15.4%

$150k–$200k 21.7%

$200k–$300k 8.6%

$300k–$500k 12.5%

$500k–$1M 0.4%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$126,000
Median rent / month	$758
Owner occupied	73.6%
Renter occupied	26.4%
Vacant	16.5%
Single-family detached	62.0%
Large apartment buildings	0.8%
Mobile homes	31.4%
Median rooms	5.5
Avg household size (owned)	2.80

Year built

Era	%
2020 or later	0.0%
2010–2019	9.3%
2000–2009	11.8%
1990–1999	14.5%
1980–1989	9.8%
1970–1979	22.2%
1960–1969	8.4%
1950–1959	12.6%
1940–1949	4.0%
1939 or earlier	7.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	5.4%
2 bedrooms	28.3%
3 bedrooms	51.5%
4 bedrooms	12.1%
5+ bedrooms	2.1%

Vehicles per household

Vehicles	% of households
No vehicle	11.8%
1 vehicle	22.8%
2 vehicles	51.0%
3 or more	14.4%

Heating fuel

Fuel type	%
Utility gas	30.8%
Electricity	68.8%

Households & families

Household type	Count	%
Married-couple family	1,240	47.6%
Cohabiting couple	208	8.0%
Male householder, no spouse	389	14.9%
Female householder, no spouse	769	29.5%
Households with children under 18	963	37.0%
Households with seniors (65+)	706	27.1%
Average household size	2.75

Marital status

Status	Male	Female
Never married	38.4%	27.2%
Married	45.8%	44.6%
Separated	1.8%	5.5%
Widowed	3.6%	7.5%
Divorced	10.5%	15.2%

Education

Less than 9th grade 11.1%

Some HS, no diploma 12.7%

HS graduate 37.1%

Some college, no degree 20.9%

Associate's degree 2.1%

Bachelor's degree 9.7%

Graduate / professional 6.4%

Metric	%
HS diploma or higher	76.1%
Bachelor's or higher	16.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	136	6.8%
Kindergarten	183	9.1%
Elementary school	964	48.0%
High school	385	19.2%
College / grad school	340	16.9%

Employment

Industry of employment

Education & healthcare 26.0%

Retail trade 16.3%

Manufacturing 15.9%

Construction 11.7%

Transportation & utilities 8.9%

Agriculture & mining 5.2%

Other services 4.5%

Public administration 3.3%

Professional & management 3.2%

Finance & real estate 2.5%

Arts, food & hospitality 1.6%

Wholesale trade 0.8%

Information 0.1%

Occupation

Category	%
Management, business & arts	28.3%
Service	7.6%
Sales & office	25.7%
Natural resources & construction	15.7%
Production & transportation	22.7%

Employment type

Type	%
Private sector	73.2%
Government	19.3%
Self-employed	7.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.7%
Carpool	4.3%
Public transit	0.0%
Walk	0.0%
Work from home	7.0%
Other means	4.0%
Avg commute (minutes)	29.1

Poverty

All people 19.4%

Under 18 years 14.9%

18 and over 21.0%

Married-couple families 10.9%

Female-led households 29.0%

Income support

Source	% of households
Social Security	30.5%
Retirement income	22.3%
Supplemental Security	4.6%
Cash public assistance	2.7%
Food stamps / SNAP	24.1%

Health indicators

Condition	%
Obesity	41.5%
High blood pressure	43.3%
High cholesterol	35.8%
Diabetes	15.9%
Heart disease	8.2%
Stroke	4.9%
Asthma	10.6%
Arthritis	28.5%
Kidney disease	3.9%
Pulmonary disease	9.5%
Cancer	6.2%

Behavior / access	%
Smoking	25.3%
Binge drinking	17.7%
No physical activity	36.4%
Less than 7 hrs sleep	40.1%
Depression	25.6%
Fair or poor health	24.6%
Poor mental health	18.9%
Poor physical health	14.8%
No health insurance	18.6%
Visited doctor (checkup)	79.9%
Visited dentist	50.4%
Cholesterol screening	88.5%
Teeth loss	24.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	234	4.3%

Disability	%
Any disability	14.0%
Under 18	1.0%
18–64 years	12.5%
65 and over	44.4%

Health insurance coverage

Type	%
Private insurance	55.4%
Public insurance	47.6%
No insurance	6.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,710	91.5%
Spanish	97	1.4%
Other Indo-European	17	0.3%
Asian & Pacific Islander	0	0.0%
Other languages	80	1.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,245	98.8%
Born in same state	7,245	98.8%
Born in different state	7,024	95.7%
Foreign born	0	0.0%
Naturalized citizen	91	1.2%
Not a US citizen	22	24.2%

Ancestry

Ancestry	Count	%
Arab	338	4.6%
German	329	4.5%

Ancestry	Count	%
French	189	2.6%
Italian	74	1%

Technology access

Metric	% of households
Computer access	35.5%
Internet access	87.3%

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

Frequently asked questions about ZIP code 70390

What city is ZIP code 70390 in?

ZIP code 70390 is primarily assigned to Napoleonville, Louisiana.

What county is ZIP code 70390 in?

ZIP code 70390 falls within Assumption County, Louisiana.

What is the poverty rate in ZIP code 70390?

19% of residents in ZIP code 70390 live below the poverty line, above the national average.

What is the typical home value in ZIP code 70390?

The median home value in ZIP code 70390 is $126,000.

What are the health statistics for ZIP code 70390?

Health data for ZIP code 70390 shows elevated rates of diabetes (16%) and smoking (25%) compared to national benchmarks.

What is the population of ZIP code 70390?

ZIP code 70390 has an estimated population of 7,336 residents, with a density of 50 people per square mile.

What timezone is ZIP code 70390 in?

ZIP code 70390 observes the CST timezone.