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US ZIP Code Profile

ZIP Code 36575
Semmes, Alabama

ZIP code 36575 is in Semmes, located in Mobile County, Alabama, within the Mobile metro area. Its 2020 Census population was 20,640. The estimated median adjusted gross income per tax return is $46,314, and about 3% of filers report $200,000 or more.

2020 Population
20,640
Census ZCTA
County
Mobile
FIPS 01097
Median income (est.)
$46,314
IRS SOI 2022
Land Area
42 mi²
+ 1.945 mi² water

01Location & Geography

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

Primary CitySemmes, AL
CountyMobile County (FIPS 01097)
StateAlabama (FIPS 01)
Metro Area (MSA)Mobile, AL Metro Area (33660)
Census Region / DivisionSouth Region · East South Central Division
Coordinates30.769163, -88.273384
Land / Water Area42 mi² land · 1.945 mi² water

02Income & Economics

Distribution of the 9,170 individual tax returns filed in 36575 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.2%
$25K–$50K
25.5%
$50K–$75K
17.4%
$75K–$100K
11.0%
$100K–$200K
15.3%
$200K+
2.5%
The $200,000+ bracket accounts for 16% of 36575's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($46,314) 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 36575's IRS income metrics, 2020–2022.

Median income (2021→2022)
$46,314
▲ 7.3%
Filers earning $200K+
2.5%
▲ 0.4 pt
Total filers
9,170
▲ 0.8%
GET /zipc/v2/zipcodes/36575/soi?year=… $41K 2020 $43K 2021 $46K 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 36575 ZCTA.

2000
15,389
 
2010
18,345
▲ +19.2%
2020
20,640
▲ +12.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number017410
City AliasesSemmes

06Frequently Asked Questions

What county is ZIP code 36575 in?

ZIP code 36575 is in Mobile County, Alabama (county FIPS code 01097).

What city is ZIP code 36575?

The primary USPS city for 36575 is Semmes, AL.

What metro area (MSA) is 36575 in?

36575 is part of the Mobile, AL Metro Area (MSA code 33660).

What is the population of ZIP code 36575?

The 2020 Census population of 36575 was 20,640 residents.

What is the median income in ZIP code 36575?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 36575 is about $46,314, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.