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US ZIP Code Profile

ZIP Code 36521
Chunchula, Alabama

ZIP code 36521 is in Chunchula, located in Mobile County, Alabama, within the Mobile metro area. Its 2020 Census population was 5,302. The estimated median adjusted gross income per tax return is $45,312, and about 2% of filers report $200,000 or more.

2020 Population
5,302
Census ZCTA
County
Mobile
FIPS 01097
Median income (est.)
$45,312
IRS SOI 2022
Land Area
144.441 mi²
+ 0.46 mi² water

01Location & Geography

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

Primary CityChunchula, AL
CountyMobile County (FIPS 01097)
StateAlabama (FIPS 01)
Metro Area (MSA)Mobile, AL Metro Area (33660)
Census Region / DivisionSouth Region · East South Central Division
Coordinates30.964987, -88.17733
Land / Water Area144.441 mi² land · 0.46 mi² water

02Income & Economics

Distribution of the 2,100 individual tax returns filed in 36521 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.4%
$25K–$50K
22.9%
$50K–$75K
15.7%
$75K–$100K
10.0%
$100K–$200K
17.6%
$200K+
2.4%
The $200,000+ bracket accounts for 11% of 36521's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($45,312) 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 36521's IRS income metrics, 2020–2022.

Median income (2021→2022)
$45,312
▲ 7.6%
Filers earning $200K+
2.4%
▲ 0.5 pt
Total filers
2,100
▲ 0.5%
GET /zipc/v2/zipcodes/36521/soi?year=… $41K 2020 $42K 2021 $45K 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 36521 ZCTA.

2000
4,515
 
2010
5,431
▲ +20.3%
2020
5,302
▼ -2.4%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number011730
City AliasesChunchula, Fellowship, Georgetown, Gulf Crest, Turnerville

06Frequently Asked Questions

What county is ZIP code 36521 in?

ZIP code 36521 is in Mobile County, Alabama (county FIPS code 01097).

What city is ZIP code 36521?

The primary USPS city for 36521 is Chunchula, AL.

What metro area (MSA) is 36521 in?

36521 is part of the Mobile, AL Metro Area (MSA code 33660).

What is the population of ZIP code 36521?

The 2020 Census population of 36521 was 5,302 residents.

What is the median income in ZIP code 36521?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 36521 is about $45,312, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.