Postal Codes

70346 ZIP Code

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ZIP code 70346 covers Donaldsonville, Louisiana, with a population of about 9,831.

Population
9,831151 per square mile
Median age
35.63.1 points below the US average
Poverty rate
32.6%20.2 points above the US average
Typical home value
$176,574up 3.2% in five years
Median rent
$85418% below the Louisiana median
Degree or higher
12%23 points below the US average
Homeownership
65.4%about the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
180

Where 70346 is

Donaldsonville, 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

Population9,831
Median age35.6
Family households64.4%
Born outside the US0.5%
Speaks a language other than English at home2.1%
White (non-Hispanic)27.2%
Black (non-Hispanic)68.3%
Asian (non-Hispanic)0.3%
Hispanic or Latino2.6%
Veterans6.1%
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

Income per person$24,217
Poverty rate32.6%
Households on SNAP or cash assistance35.7%

Household income distribution

Under $10k5.6%
$10–15k16.3%
$15–20k9.6%
$20–25k8.9%
$25–30k4.6%
$30–35k1.7%
$35–40k3.7%
$40–45k1.5%
$45–50k3.7%
$50–60k7.6%
$60–75k6.5%
$75–100k9.4%
$100–125k8.2%
$125–150k3.6%
$150–200k6.8%
$200k or more2.4%

Income as declared to the IRS

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

Tax returns filed4,200
Mean adjusted gross income$56,464
Returns declaring $200,000 or more2.4%
Returns, under $25k43.3%
Returns, $25k–$50k26.4%
Returns, $50k–$75k11.7%
Returns, $75k–$100k6.7%
Returns, $100k–$200k9.5%
Returns, $200k or more2.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$186,800
Median gross rent$854
Rent as a share of household income45.7%
Owner-occupied65.4%
Vacant homes14.8%
Median year built1982

What the homes are

Detached house63.3%
Attached house0.7%
2 to 4 units9.3%
5 to 19 units8.9%
20 or more units1.2%
Mobile home16.3%
Boat, RV or van0.4%
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$176,574as of 2026-07
Typical home value, 1 yeardown 0.6%
Typical home value, 5 yearsup 3.2%
Typical home value, 10 yearsup 6.8%
Typical home value since 2000
200920172026$192,748$123,121

$135,032 in 2009 to $176,574 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate9.6%
Bachelor's degree or higher12%
High school diploma or higher85.3%
Works from home4%
Drives to work alone78.7%
Takes public transport0%
Commutes 45 minutes or more17.8%
Health

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

Obesity44.9% 11.5 pts above the national average of 33.4%
Diagnosed diabetes20.4% 8.4 pts above the national average of 12%
Currently smokes22.1% 8.9 pts above the national average of 13.2%
High blood pressure51.7% 17.6 pts above the national average of 34.1%
Fair or poor general health32.5% 12.2 pts above the national average of 20.3%
No health insurance (18–64)11.2% same as the national average of 11.3%
Depression25.5% 3.6 pts above the national average of 21.9%
No leisure-time physical activity39.1% 13.7 pts above the national average of 25.4%
Arthritis33.9% 8.8 pts above the national average of 25.1%
Binge drinking13.3% 2.7 pts below the national average of 16%
Taking blood pressure medication80.6% 5.9 pts above the national average of 74.7%
Cancer (non-skin)6.7% 1 pts below the national average of 7.7%
Current asthma11.3% 0.9 pts above the national average of 10.4%
Coronary heart disease9.1% 2.9 pts above the national average of 6.2%
Routine check-up in past year84.3% 7.6 pts above the national average of 76.7%
Cholesterol screening85.7% same as the national average of 85.9%
Cognitive disability21.9% 7.1 pts above the national average of 14.8%
Colorectal screening65.2% 0.9 pts above the national average of 64.3%
COPD10.9% 4.3 pts above the national average of 6.6%
Visited a dentist46.8% 14.5 pts below the national average of 61.3%
Any disability45.2% 14.5 pts above the national average of 30.7%
Lacks emotional support33.4% 8.6 pts above the national average of 24.8%
Food insecurity35.3% 18.2 pts above the national average of 17.1%
Received food stamps33.4% 19.1 pts above the national average of 14.3%
Hearing disability8.5% 1.8 pts above the national average of 6.7%
High cholesterol41.5% 5.3 pts above the national average of 36.2%
Housing insecurity25.4% 11.6 pts above the national average of 13.8%
Independent living disability13.9% 5.5 pts above the national average of 8.4%
Lacks transport17% 7.8 pts above the national average of 9.2%
Loneliness38.1% 3.7 pts above the national average of 34.4%
Mammography use78.7% 2.8 pts above the national average of 75.9%
Poor mental health (14+ days)21.4% 4.6 pts above the national average of 16.8%
Mobility disability23.9% 9.9 pts above the national average of 14%
Poor physical health (14+ days)18.2% 4.7 pts above the national average of 13.5%
Self-care disability7.7% 3.7 pts above the national average of 4%
Utility shut-off threat20.1% 11.3 pts above the national average of 8.8%
Sleeps under 7 hours47.3% 10.9 pts above the national average of 36.4%
Stroke6% 2.6 pts above the national average of 3.4%
All natural teeth lost26.6% 13.6 pts above the national average of 13%
Vision disability10% 4.4 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments180
People employed2,644
Annual payroll$176,913,000
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 91.8% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 4 census tracts this ZIP code covers
Expected annual loss85.4 out of 100
Community resilience69.2 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.

Drought98.7Relatively High at its worst in this ZIP code
Hurricane98.1Very High at its worst in this ZIP code
Tornado93.6Very High at its worst in this ZIP code
Lightning88.9Relatively High at its worst in this ZIP code
Coastal flooding87.8Relatively Low at its worst in this ZIP code
Heat wave84.7Relatively High at its worst in this ZIP code
Cold wave79.1Relatively High at its worst in this ZIP code
Hail70.9Relatively Moderate at its worst in this ZIP code
Landslide69.2Very Low at its worst in this ZIP code
Ice storm62.4Relatively Low at its worst in this ZIP code
Strong wind61Relatively Moderate at its worst in this ZIP code
Wildfire49.5Very Low at its worst in this ZIP code
Earthquake40Relatively Low at its worst in this ZIP code
Winter weather36.4Relatively Moderate at its worst in this ZIP code
River flooding20.8Relatively 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$60,023$78,538
Income per person$24,217$34,211$43,289
Poverty rate32.6%18.9%12.4%
Median home value$186,800$208,700$303,400
Median gross rent$854$1,038$1,348
Homeownership65.4%67.3%65%
Bachelor's degree or higher12%26.6%35%
Unemployment rate9.6%6.3%5.2%
Works from home4%7.2%13.5%
Born outside the US0.5%4.7%13.9%
Median age35.637.838.7
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 stationDONALDSONVILLE 4 SW, LA US4.5 km away
Rain in a year63 in
Snow in a year0 in

Average high and low by month

January62.1°F / 41.7°F5.78 in rain
February66.1°F / 45.2°F4.11 in rain
March72.4°F / 51°F4.03 in rain
April78.4°F / 57.1°F4.88 in rain
May84.9°F / 65.1°F5.64 in rain
June89.2°F / 71.6°F6.97 in rain
July90.6°F / 73.5°F6.51 in rain
August90.8°F / 73.1°F6.37 in rain
September87.6°F / 69.1°F5.39 in rain
October80.3°F / 58.6°F4.65 in rain
November70.9°F / 48.6°F4.21 in rain
December64.4°F / 43.7°F4.86 in rain, 0.1 in snow
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 supermarket79% of this ZIP code's area
Far from a supermarket79% of this ZIP code's area
No vehicle and far from a supermarket78% 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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Ascension Parish School District79.2% of this ZIP code's land area
Assumption Parish School District20.8% 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 vulnerability86more vulnerable than 86% of US census tracts
Socioeconomic status76more vulnerable than 76% of US census tracts
Household characteristics81more vulnerable than 81% of US census tracts
Racial and ethnic minority status82more vulnerable than 82% of US census tracts
Housing type and transport79more vulnerable than 79% of US census tracts
Walkability5.8 out of 20Below average
Nearby ZIP codes

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

70725 Darrow, LA4.4 km away
70738 Burnside, LA8.1 km away
70341 Belle Rose, LA9.6 km away
70393 Plattenville, LA11.9 km away
70734 Geismar, LA13.1 km away
70391 Paincourtville, LA13.8 km away
70086 Saint James, LA15.5 km away
70778 Sorrento, LA15.9 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.

Ascension Parish79.2% of this ZIP code's land area
Assumption Parish20.8% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area64.92 sq mi
Water area4.88 sq mi
Population density151 people per sq mi
Latitude, longitude30.1018, -90.9970

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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