Get API Key →
US ZIP Code Profile

ZIP Code 31407
Port Wentworth, Georgia

ZIP code 31407 is in Port Wentworth, located in Chatham County, Georgia, within the Savannah metro area. Its 2020 Census population was 20,990. The estimated median adjusted gross income per tax return is $46,000, and about 2% of filers report $200,000 or more.

2020 Population
20,990
Census ZCTA
County
Chatham
FIPS 13051
Median income (est.)
$46,000
IRS SOI 2022
Land Area
28.739 mi²
+ 0.541 mi² water

01Location & Geography

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

Primary CityPort Wentworth, GA
CountyChatham County (FIPS 13051)
StateGeorgia (FIPS 13)
Metro Area (MSA)Savannah, GA Metro Area (42340)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates32.186165, -81.19279
Land / Water Area28.739 mi² land · 0.541 mi² water

02Income & Economics

Distribution of the 11,020 individual tax returns filed in 31407 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
27.1%
$25K–$50K
27.2%
$50K–$75K
19.1%
$75K–$100K
11.1%
$100K–$200K
13.5%
$200K+
2.0%
The $200,000+ bracket accounts for 10% of 31407's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($46,000) 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 31407's IRS income metrics, 2020–2022.

Median income (2021→2022)
$46,000
▲ 5.6%
Filers earning $200K+
2.0%
▲ 0.7 pt
Total filers
11,020
▲ 0.7%
GET /zipc/v2/zipcodes/31407/soi?year=… $41K 2020 $44K 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 31407 ZCTA.

2000
3,239
 
2010
7,244
▲ +123.6%
2020
20,990
▲ +189.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeNon-Postal Community Name, former postal facility or place name
Carrier Route SortD
USPS Finance Number127810
City AliasesPrt Wentworth, Savannah, Port Wentworth, Port Wentwrth

06Frequently Asked Questions

What county is ZIP code 31407 in?

ZIP code 31407 is in Chatham County, Georgia (county FIPS code 13051).

What city is ZIP code 31407?

The primary USPS city for 31407 is Port Wentworth, GA.

What metro area (MSA) is 31407 in?

31407 is part of the Savannah, GA Metro Area (MSA code 42340).

What is the population of ZIP code 31407?

The 2020 Census population of 31407 was 20,990 residents.

What is the median income in ZIP code 31407?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31407 is about $46,000, 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.