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US ZIP Code Profile

ZIP Code 36604
Mobile, Alabama

ZIP code 36604 is in Mobile, located in Mobile County, Alabama, within the Mobile metro area. Its 2020 Census population was 8,798. The estimated median adjusted gross income per tax return is $42,330, and about 8% of filers report $200,000 or more.

2020 Population
8,798
Census ZCTA
County
Mobile
FIPS 01097
Median income (est.)
$42,330
IRS SOI 2022
Land Area
2.642 mi²
+ 0 mi² water

01Location & Geography

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

Primary CityMobile, AL
CountyMobile County (FIPS 01097)
StateAlabama (FIPS 01)
Metro Area (MSA)Mobile, AL Metro Area (33660)
Census Region / DivisionSouth Region · East South Central Division
Coordinates30.682234, -88.068146
Land / Water Area2.642 mi² land · 0 mi² water

02Income & Economics

Distribution of the 3,660 individual tax returns filed in 36604 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
33.3%
$25K–$50K
24.0%
$50K–$75K
12.6%
$75K–$100K
8.2%
$100K–$200K
14.2%
$200K+
7.6%
The $200,000+ bracket accounts for 37% of 36604's total adjusted gross income, from 8% of returns — a concentration that drives the gap between the median ($42,330) 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 36604's IRS income metrics, 2020–2022.

Median income (2021→2022)
$42,330
▲ 4.0%
Filers earning $200K+
7.6%
▲ 0.7 pt
Total filers
3,660
▼ 2.7%
GET /zipc/v2/zipcodes/36604/soi?year=… $37K 2020 $41K 2021 $42K 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 36604 ZCTA.

2000
11,533
 
2010
10,456
▼ -9.3%
2020
8,798
▼ -15.9%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 36604. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 36604

Mobile and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 36604 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 SortD
USPS Finance Number015600
City AliasesMobile

07Frequently Asked Questions

What county is ZIP code 36604 in?

ZIP code 36604 is in Mobile County, Alabama (county FIPS code 01097).

What city is ZIP code 36604?

The primary USPS city for 36604 is Mobile, AL.

What metro area (MSA) is 36604 in?

36604 is part of the Mobile, AL Metro Area (MSA code 33660).

What is the population of ZIP code 36604?

The 2020 Census population of 36604 was 8,798 residents.

What is the median income in ZIP code 36604?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 36604 is about $42,330, with around 8% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.