PlainZIP

Donaldsonville, LA · standard

ZIP Code 70346

Ascension County, Louisiana - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

10,925
82/sq mi
$35,280
Median income
$176,900
Median home value
11.6%
Bachelor's or higher

The verdict

Donaldsonville pairs one of the lowest household incomes in the country with below-median home values, in a rural, mixed-tenure area.

3th pct
household income, US ZIPs
37th pct
home value, US ZIPs
82
people per sq mi
55%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 70346 against every reporting US ZIP.

ZIP code 70346 is a mid-sized community (a standard USPS delivery area) in Donaldsonville, Ascension County, Louisiana, home to 10,925 residents across 133.2 square miles, a density of 82 people per square mile, in the Chicago time zone.

ZIP 70346 sits on the lower end of the income spectrum: median household income is $35,280 (41% below the Louisiana average), while per-capita income is $22,826. Local economic indicators show a 35.3% poverty rate alongside 11.2% unemployment. The typical home here is valued at $176,900 (0% below the state average); renters pay a median of $856 monthly, and 55.4% of units are owner-occupied.

Formal educational attainment runs low here: just 11.6% of adults hold a bachelor's degree or higher, the median age is 35, and the average commute is 27 minutes. To put 70346 in local context, 9 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Ascension County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 70346

Top 5 sectors by establishment count in Donaldsonville, LA

Which industries have the most business establishments in ZIP 70346.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 70346, Donaldsonville, LA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

10,925

Population

133.2

Area (sq mi)

82

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 70346?

35.0

Median Age

48.7%

Male

51.3%

Female

2.9%

Foreign-Born

White 23.2%
African American 70.9%
Asian 0.2%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 2.5%
Hispanic or Latino 4.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$35,280

Median Household Income

-41% vs state

$22,826

Per Capita Income

35.3%

Poverty Rate

11.2%

Unemployment Rate

26.7 min

Mean Commute Time

How ZIP 70346 ranks nationally

Donaldsonville, LA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$35,280 3rd percentile higher than 3% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). This entry sits in this band. $40,000–$60,000: 7,092 US ZIPs (23%). Above this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 53.9%
Bachelor's Degree or Higher 11.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

4,400

Total Housing Units

3,680

Occupied Units

720

Vacant Units

2.54

Avg Household Size

Occupancy Type

Owner 55.4%
Renter 44.6%

$176,900

Median Home Value

-0% vs state

$856

Median Rent

1980

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+38.0%

YoY Change (2024)

242

HPI Index (2000 = 100)

+142%

Total Change Since 2000

Home values in ZIP 70346 have increased 38.0% over the past year (2024). Since 2000, this ZIP has seen +142% cumulative appreciation.

Year Annual Change HPI Index
2020 +12.1% 175
2021 +3.0% 180
2022 +13.3% 204
2023 -14.1% 175
2024 +38.0% 242

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 178 business establishments in ZIP 70346, employing approximately 2,691 people with a combined annual payroll of $174,194,000.

178

Businesses

2,691

Employees

$174.2M

Annual Payroll

13

Industry Sectors

Industry Establishments % of Total
Retail trade 43 24.2%
Health care and social assistance 22 12.4%
Accommodation and food services 22 12.4%
Professional, scientific, and technical services 20 11.2%
Finance and insurance 16 9.0%
Other services (except public administration) 15 8.4%
Wholesale trade 11 6.2%
Construction 6 3.4%
Manufacturing 5 2.8%
Real estate and rental and leasing 5 2.8%
Transportation and warehousing 3 1.7%
Information 3 1.7%
Management of companies and enterprises 3 1.7%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 70346 vs 70725 →

ZIP 70346 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 70346 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 70346 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 70346 ranks #5 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
70725 Darrow, LA 1,826 4.2 mi
70734 Geismar, LA 7,554 5.8 mi
70341 Belle Rose, LA 4,449 6.8 mi
70393 Plattenville, LA 774 9.1 mi
70721 Carville, LA 701 7.5 mi
70788 White Castle, LA 4,051 8.8 mi
70391 Paincourtville, LA 202 9.3 mi
70776 Saint Gabriel, LA 6,043 10.5 mi
70737 Gonzales, LA 38,643 9.5 mi

More ZIP Codes in Ascension County

70737 standard
Gonzales, LA
Pop: 38,643
70769 standard
Prairieville, LA
Pop: 36,084
70774 standard
Saint Amant, LA
Pop: 10,076
70734 standard
Geismar, LA
Pop: 7,554
70778 standard
Sorrento, LA
Pop: 2,291
70725 standard
Darrow, LA
Pop: 1,826

Related Areas

Ascension County Donaldsonville, LA Louisiana

Frequently Asked Questions

What county is ZIP code 70346 in? ▼
ZIP code 70346 (Donaldsonville) is located in Ascension County, Louisiana. Ascension County contains multiple ZIP codes, see the full list at /counties/ascension-la.
What is the population of ZIP code 70346? ▼
ZIP code 70346 in Donaldsonville, LA has a population of 10,925 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 70346? ▼
The median household income in ZIP 70346 is $35,280, which is 54% below the national average of $76,288.
What is the average home value in ZIP 70346? ▼
The median home value in ZIP 70346 is $176,900, which is 36% below the national average of $278,155.
What is the demographic makeup of ZIP 70346? ▼
The largest racial group in ZIP 70346 is African American at 70.9%. Hispanic or Latino residents make up 4.7% of the population.
How many businesses are in ZIP code 70346? ▼
ZIP code 70346 has 178 business establishments employing approximately 2,691 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 70346? ▼
The top industries by establishment count in ZIP 70346 are: Retail trade (43), Health care and social assistance (22), Accommodation and food services (22). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 70346? ▼
According to the FHFA House Price Index, home values in ZIP 70346 increased by 38.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 142%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 70346? ▼
In ZIP code 70346, 53.9% of residents aged 25+ have a high school diploma or higher, and 11.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 70346? ▼
The mean commute time for workers in ZIP code 70346 is 26.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 70346? ▼
In ZIP code 70346, approximately 55.4% of occupied housing units are owner-occupied and 44.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 70346? ▼
The poverty rate in ZIP code 70346 is 35.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.