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US ZIP Code Profile

ZIP Code 31408
Savannah, Georgia

ZIP code 31408 is in Savannah, located in Chatham County, Georgia, within the Savannah metro area. Its 2020 Census population was 11,790. The estimated median adjusted gross income per tax return is $31,299, and about 1% of filers report $200,000 or more.

2020 Population
11,790
Census ZCTA
County
Chatham
FIPS 13051
Median income (est.)
$31,299
IRS SOI 2022
Land Area
24.467 mi²
+ 0.264 mi² water

01Location & Geography

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

Primary CitySavannah, GA
CountyChatham County (FIPS 13051)
StateGeorgia (FIPS 13)
Metro Area (MSA)Savannah, GA Metro Area (42340)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates32.11742, -81.18419
Land / Water Area24.467 mi² land · 0.264 mi² water

02Income & Economics

Distribution of the 3,820 individual tax returns filed in 31408 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
41.6%
$25K–$50K
33.2%
$50K–$75K
13.4%
$75K–$100K
5.5%
$100K–$200K
5.2%
$200K+
1.1%
The $200,000+ bracket accounts for 6% of 31408's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($31,299) 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 31408's IRS income metrics, 2020–2022.

Median income (2021→2022)
$31,299
▲ 11.5%
Filers earning $200K+
1.1%
▲ 0.2 pt
Total filers
3,820
▲ 2.7%
GET /zipc/v2/zipcodes/31408/soi?year=… $28K 2020 $28K 2021 $31K 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 31408 ZCTA.

2000
11,131
 
2010
9,952
▼ -10.6%
2020
11,790
▲ +18.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number127810
City AliasesGarden City, Garden Cty, Savannah

06Frequently Asked Questions

What county is ZIP code 31408 in?

ZIP code 31408 is in Chatham County, Georgia (county FIPS code 13051).

What city is ZIP code 31408?

The primary USPS city for 31408 is Savannah, GA.

What metro area (MSA) is 31408 in?

31408 is part of the Savannah, GA Metro Area (MSA code 42340).

What is the population of ZIP code 31408?

The 2020 Census population of 31408 was 11,790 residents.

What is the median income in ZIP code 31408?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31408 is about $31,299, with around 1% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.