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US ZIP Code Profile

ZIP Code 70721
Carville, Louisiana

ZIP code 70721 is in Carville, located in Iberville County, Louisiana, within the Baton Rouge metro area. Its 2020 Census population was 643. The estimated median adjusted gross income per tax return is $30,833.

2020 Population
643
Census ZCTA
County
Iberville
FIPS 22047
Median income (est.)
$30,833
IRS SOI 2022
Land Area
5.084 mi²
+ 1.279 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityCarville, LA
CountyIberville County (FIPS 22047)
StateLouisiana (FIPS 22)
Metro Area (MSA)Baton Rouge, LA Metro Area (12940)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.22339, -91.079506
Land / Water Area5.084 mi² land · 1.279 mi² water

02Income & Economics

Distribution of the 370 individual tax returns filed in 70721 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
40.5%
$25K–$50K
40.5%
$50K–$75K
10.8%
$75K–$100K
8.1%
$100K–$200K
0.0%
$200K+
0.0%
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 70721's IRS income metrics, 2020–2022.

Median income (2021→2022)
$30,833
▲ 1.6%
Filers earning $200K+
0.0%
▲ 0.0 pt
Total filers
370
▲ 2.8%
GET /zipc/v2/zipcodes/70721/soi?year=… $29K 2020 $30K 2021 $31K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 70721 ZCTA.

2000
438
 
2010
701
▲ +60.0%
2020
643
▼ -8.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 70721. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 70721

Carville and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 70721 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number211430
City AliasesCarville

07Frequently Asked Questions

What county is ZIP code 70721 in?

ZIP code 70721 is in Iberville County, Louisiana (county FIPS code 22047).

What city is ZIP code 70721?

The primary USPS city for 70721 is Carville, LA.

What metro area (MSA) is 70721 in?

70721 is part of the Baton Rouge, LA Metro Area (MSA code 12940).

What is the population of ZIP code 70721?

The 2020 Census population of 70721 was 643 residents.

What is the median income in ZIP code 70721?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70721 is about $30,833. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.