Carville, LA · standard
ZIP Code 70721
Iberville Parish, Louisiana - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 701
- 53/sq mi Moderate-density area
- $2,499
- Median income Below-median income area
- $209,400
- Median home value Near-median home value
- 20.0%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Carville pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.
- Lowest
- household income, US ZIPs
- 46th pct
- home value, US ZIPs
- 53
- people per sq mi
- 85%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 70721 against every reporting US ZIP.
ZIP code 70721 is a sparsely populated ZIP (a standard USPS delivery area) in Carville, Iberville Parish, Louisiana, home to just 701 residents across 13.2 square miles, a density of 53 people per square mile, in the Chicago time zone.
ZIP 70721 sits on the lower end of the income spectrum: median household income is $2,499 (96% below the average Louisiana ZIP), while per-capita income is $16,434. Economic pressure is pronounced: 51.0% of residents are below the poverty line and unemployment is 32.2%. Housing is both higher-cost and owner-heavy: median home value is $209,400 (18% above the average Louisiana ZIP), while 85.1% of occupied homes are owner-occupied.
Educational attainment sits below the national norm: 20.0% of adults hold a bachelor's degree or higher, the median age is 30.3, and the average commute is -. The page also surfaces 8 ZIP codes within roughly 10 miles and 6 more in Iberville Parish, so 70721 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 →
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 70721, Carville, 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
701
Population
13.2
Area (sq mi)
53
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 70721?
30.3
Median Age
53.2%
Male
46.8%
Female
0.0%
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?
$2,499
Median Household Income
-96% vs state ZIP avg
$16,434
Per Capita Income
51.0%
Poverty Rate
32.2%
Unemployment Rate
How ZIP 70721 ranks among Louisiana ZIPs
Carville, 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)
$2,499 0th percentile higher than 0% 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
168housing units
168
Total Housing Units
168
Occupied Units
0
Vacant Units
2.43
Avg Household Size
Occupancy Type
$209,400
Median Home Value
+18% vs state ZIP avg
2013
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 7 business establishments in ZIP 70721, employing approximately 698 people with a combined annual payroll of $56,761,000.
7
Businesses
698
Employees
$56.8M
Annual Payroll
0
Industry Sectors
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 70721 vs 70776 →
ZIP 70721 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 70810
Baton Rouge (70810)
37,980 residents
- 70769
Prairieville (70769)
36,084 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
- 70788 4,051
White Castle (70788)
4,051 residents
- 70725 1,826
Darrow (70725)
1,826 residents
- 70780 1,015
Sunshine (70780)
1,015 residents
- 70721 701
Carville (70721)
701 residents
What this shows Among its immediate neighbors, ZIP 70721 ranks #9 by population - useful context the national average alone can't give.
ZIP 70721 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
- 70769
Prairieville (70769)
$109,404 median income
- 70776
Saint Gabriel (70776)
$96,843 median income
- 70810
Baton Rouge (70810)
$92,098 median income
- 70780
Sunshine (70780)
$88,878 median income
- 70346 $35,280
Donaldsonville (70346)
$35,280 median income
- 70788 $33,079
White Castle (70788)
$33,079 median income
- 70721 $2,499
Carville (70721)
$2,499 median income
What this shows By household income, ZIP 70721 ranks #8 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 70776 | Saint Gabriel, LA | 6,043 | 3.1 mi |
| 70734 | Geismar, LA | 7,554 | 5.2 mi |
| 70810 | Baton Rouge, LA | 37,980 | 8.8 mi |
| 70346 | Donaldsonville, LA | 10,925 | 7.5 mi |
| 70780 | Sunshine, LA | 1,015 | 7.3 mi |
| 70788 | White Castle, LA | 4,051 | 7.7 mi |
| 70725 | Darrow, LA | 1,826 | 9.8 mi |
| 70769 | Prairieville, LA | 36,084 | 10.7 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 70721, both outside LA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Iberville Parish
Related Areas
Frequently Asked Questions
What parish is ZIP code 70721 in?
ZIP code 70721 (Carville) is located in Iberville Parish, Louisiana. Iberville Parish contains multiple ZIP codes, see the full list at /counties/iberville-la.
What is the population of ZIP code 70721?
ZIP code 70721 in Carville, LA has a population of 701 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 70721?
The median household income in ZIP 70721 is $2,499, which is 97% below the national average of $76,288.
What is the average home value in ZIP 70721?
The median home value in ZIP 70721 is $209,400, which is 25% below the national average of $278,155.
What is the demographic makeup of ZIP 70721?
The largest racial group in ZIP 70721 is African American at 84.8%. Hispanic or Latino residents make up 0.2% of the population.
How many businesses are in ZIP code 70721?
ZIP code 70721 has 7 business establishments employing approximately 698 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 70721?
In ZIP code 70721, 66.4% of residents aged 25+ have a high school diploma or higher, and 20.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 70721?
In ZIP code 70721, approximately 85.1% of occupied housing units are owner-occupied and 14.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 70721?
The poverty rate in ZIP code 70721 is 51.0% 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 70721's numbers, next.
- See how ZIP 70721 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Carville, LA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.