Get API Key →
US ZIP Code Profile

ZIP Code 70791
Zachary, Louisiana

ZIP code 70791 is in Zachary, located in East Baton Rouge County, Louisiana, within the Baton Rouge metro area. Its 2020 Census population was 29,432. The estimated median adjusted gross income per tax return is $49,719, and about 6% of filers report $200,000 or more.

2020 Population
29,432
Census ZCTA
County
East Baton Rouge
FIPS 22033
Median income (est.)
$49,719
IRS SOI 2022
Land Area
120.543 mi²
+ 3.353 mi² water

01Location & Geography

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

Primary CityZachary, LA
CountyEast Baton Rouge County (FIPS 22033)
StateLouisiana (FIPS 22)
Metro Area (MSA)Baton Rouge, LA Metro Area (12940)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.651981, -91.15444
Land / Water Area120.543 mi² land · 3.353 mi² water

02Income & Economics

Distribution of the 13,170 individual tax returns filed in 70791 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
26.7%
$25K–$50K
23.6%
$50K–$75K
15.2%
$75K–$100K
9.9%
$100K–$200K
19.0%
$200K+
5.7%
The $200,000+ bracket accounts for 26% of 70791's total adjusted gross income, from 6% of returns — a concentration that drives the gap between the median ($49,719) and the average.
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 70791's IRS income metrics, 2020–2022.

Median income (2021→2022)
$49,719
▲ 4.3%
Filers earning $200K+
5.7%
▲ 0.6 pt
Total filers
13,170
▲ 0.2%
GET /zipc/v2/zipcodes/70791/soi?year=… $46K 2020 $48K 2021 $50K 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 70791 ZCTA.

2000
19,598
 
2010
24,918
▲ +27.1%
2020
29,432
▲ +18.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number219529
City AliasesZachary

06Frequently Asked Questions

What county is ZIP code 70791 in?

ZIP code 70791 is in East Baton Rouge County, Louisiana (county FIPS code 22033).

What city is ZIP code 70791?

The primary USPS city for 70791 is Zachary, LA.

What metro area (MSA) is 70791 in?

70791 is part of the Baton Rouge, LA Metro Area (MSA code 12940).

What is the population of ZIP code 70791?

The 2020 Census population of 70791 was 29,432 residents.

What is the median income in ZIP code 70791?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70791 is about $49,719, with around 6% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.