ZIP Code 36603 — Mobile, AL | Population, Income, County & Map Data

01Location & Geography

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

Primary City	Mobile, AL
County	Mobile County (FIPS 01097)
State	Alabama (FIPS 01)
Metro Area (MSA)	Mobile, AL Metro Area (33660)
Census Region / Division	South Region · East South Central Division
Coordinates	30.673985, -88.02668
Land / Water Area	6.478 mi² land · 1.451 mi² water

02Income & Economics

Distribution of the 2,520 individual tax returns filed in 36603 by adjusted gross income bracket (IRS SOI, 2022).

< $25K

55.2%

$25K–$50K

29.0%

$50K–$75K

9.5%

$75K–$100K

2.8%

$100K–$200K

3.6%

$200K+

0.0%

Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income. Estimate is approximate for this ZIP (median falls in the lowest bracket).

03Income Over Time

Year-over-year change in 36603's IRS income metrics, 2020–2022.

Median income (2021→2022)

$22,662

▲ 9.4%

Filers earning $200K+

0.0%

▲ 0.0 pt

Total filers

2,520

▲ 0.0%

GET /zipc/v2/zipcodes/36603/soi?year=…

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 36603 ZCTA.

2000

12,526

2010

7,922

▼ -36.8%

2020

8,184

▲ +3.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 36603. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 36603

Mobile and its immediate neighbors, sorted by distance.

Radius 3 mi

GET /zipc/v2/distance

Distance from 36603 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 Classification	Non-Unique Zip
Facility Type	Post Office
Carrier Route Sort	D
USPS Finance Number	015600
City Aliases	Mobile

07Frequently Asked Questions

What county is ZIP code 36603 in?

ZIP code 36603 is in Mobile County, Alabama (county FIPS code 01097).

What city is ZIP code 36603?

The primary USPS city for 36603 is Mobile, AL.

What metro area (MSA) is 36603 in?

36603 is part of the Mobile, AL Metro Area (MSA code 33660).

What is the population of ZIP code 36603?

The 2020 Census population of 36603 was 8,184 residents.

What is the median income in ZIP code 36603?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 36603 is about $22,662. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.