Get API Key →
US ZIP Code Profile

ZIP Code 39503
Gulfport, Mississippi

ZIP code 39503 is in Gulfport, located in Harrison County, Mississippi, within the Gulfport-Biloxi-Pascagoula metro area. Its 2020 Census population was 53,643. The estimated median adjusted gross income per tax return is $40,394, and about 3% of filers report $200,000 or more.

2020 Population
53,643
Census ZCTA
County
Harrison
FIPS 28047
Median income (est.)
$40,394
IRS SOI 2022
Land Area
120.686 mi²
+ 4.316 mi² water

01Location & Geography

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

Primary CityGulfport, MS
CountyHarrison County (FIPS 28047)
StateMississippi (FIPS 28)
Metro Area (MSA)Gulfport-Biloxi-Pascagoula, MS Metro Area (25060)
Census Region / DivisionSouth Region · East South Central Division
Coordinates30.474611, -89.15288
Land / Water Area120.686 mi² land · 4.316 mi² water

02Income & Economics

Distribution of the 23,620 individual tax returns filed in 39503 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
33.1%
$25K–$50K
27.4%
$50K–$75K
14.7%
$75K–$100K
9.1%
$100K–$200K
12.5%
$200K+
3.2%
The $200,000+ bracket accounts for 22% of 39503's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($40,394) 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 39503's IRS income metrics, 2020–2022.

Median income (2021→2022)
$40,394
▲ 8.6%
Filers earning $200K+
3.2%
▲ 0.2 pt
Total filers
23,620
▼ 0.1%
GET /zipc/v2/zipcodes/39503/soi?year=… $35K 2020 $37K 2021 $40K 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 39503 ZCTA.

2000
36,248
 
2010
45,309
▲ +25.0%
2020
53,643
▲ +18.4%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number273146
City AliasesGulfport, Orange Grove, Gpt

06Frequently Asked Questions

What county is ZIP code 39503 in?

ZIP code 39503 is in Harrison County, Mississippi (county FIPS code 28047).

What city is ZIP code 39503?

The primary USPS city for 39503 is Gulfport, MS.

What metro area (MSA) is 39503 in?

39503 is part of the Gulfport-Biloxi-Pascagoula, MS Metro Area (MSA code 25060).

What is the population of ZIP code 39503?

The 2020 Census population of 39503 was 53,643 residents.

What is the median income in ZIP code 39503?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 39503 is about $40,394, 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.