Donaldsonville, LA · standard
ZIP Code 70346
Ascension Parish, Louisiana - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 10,925
- 82/sq mi Moderate-density area
- $35,280
- Median income Below-median income area
- $176,900
- Median home value Near-median home value
- 11.6%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Donaldsonville pairs one of the lowest household incomes in the country with below-median home values, in a rural, mixed-tenure area.
- 3rd 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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 70346 (Donaldsonville, LA) rose +38.0% from 2023 to 2024. The all-transactions index moved from 175.0 in 2023 to 241.5 in 2024 (2000 = 100).
ZIP code 70346 is a mid-sized community (a standard USPS delivery area) in Donaldsonville, Ascension Parish, 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 average Louisiana ZIP), while per-capita income is $22,826. Economic pressure is pronounced: 35.3% of residents are below the poverty line and unemployment is 11.2%. Median home value is $176,900 (0% below the average Louisiana ZIP) and median rent is $856; 55.4% of occupied homes 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. The page also surfaces 9 ZIP codes within roughly 10 miles and 6 more in Ascension Parish, so 70346 can be compared with both its immediate and county-level context.
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.
- Retail trade
Retail trade
43 establishments
- Health care and social assistance
Health care and social assistance
22 establishments
- Accommodation and food services
Accommodation and food services
22 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
20 establishments
- Finance and insurance 16
Finance and insurance
16 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, 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
Who lives in ZIP 70346?
35.0
Median Age
48.7%
Male
51.3%
Female
2.9%
Foreign-Born
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 ZIP avg
$22,826
Per Capita Income
35.3%
Poverty Rate
11.2%
Unemployment Rate
26.7 min
Mean Commute Time
How ZIP 70346 ranks among Louisiana ZIPs
Donaldsonville, LA household income vs. every Louisiana ZIP code
Median household income among 457 reporting Louisiana ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$35,280 11th percentile higher than 11% of 457 Louisiana ZIPs
Each bar is a $20K-wide band; taller bars hold more Louisiana 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
4,400housing units
4,400
Total Housing Units
3,680
Occupied Units
720
Vacant Units
2.54
Avg Household Size
Occupancy Type
$176,900
Median Home Value
-0% vs state ZIP avg
$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.
- 70737
Gonzales (70737)
38,643 residents
- 70346 10,925
Donaldsonville (70346)
10,925 residents
- 70734 7,554
Geismar (70734)
7,554 residents
- 70776 6,043
Saint Gabriel (70776)
6,043 residents
- 70341 4,449
Belle Rose (70341)
4,449 residents
- 70788 4,051
White Castle (70788)
4,051 residents
- 70725 1,826
Darrow (70725)
1,826 residents
- 70393 774
Plattenville (70393)
774 residents
- 70721 701
Carville (70721)
701 residents
What this shows Among its immediate neighbors, ZIP 70346 ranks #2 by population - useful context the national average alone can't give.
ZIP 70346 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 70734
Geismar (70734)
$128,975 median income
- 70776
Saint Gabriel (70776)
$96,843 median income
- 70737
Gonzales (70737)
$82,521 median income
- 70341 $35,346
Belle Rose (70341)
$35,346 median income
- 70346 $35,280
Donaldsonville (70346)
$35,280 median income
- 70788 $33,079
White Castle (70788)
$33,079 median income
- 70393 $19,256
Plattenville (70393)
$19,256 median income
- 70721 $2,499
Carville (70721)
$2,499 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 70346, both outside LA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (10,925 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Ascension Parish
Related Areas
Frequently Asked Questions
What parish is ZIP code 70346 in?
ZIP code 70346 (Donaldsonville) is located in Ascension Parish, Louisiana. Ascension Parish 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.
Related
Take this with you
What to do with ZIP 70346's numbers, next.
- See how ZIP 70346 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Donaldsonville, LA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.