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US ZIP Code Profile

ZIP Code 31406
Savannah, Georgia

ZIP code 31406 is in Savannah, located in Chatham County, Georgia, within the Savannah metro area. Its 2020 Census population was 34,579. The estimated median adjusted gross income per tax return is $42,969, and about 7% of filers report $200,000 or more.

2020 Population
34,579
Census ZCTA
County
Chatham
FIPS 13051
Median income (est.)
$42,969
IRS SOI 2022
Land Area
25.933 mi²
+ 3.172 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
Coordinates31.980404, -81.08518
Land / Water Area25.933 mi² land · 3.172 mi² water

02Income & Economics

Distribution of the 15,470 individual tax returns filed in 31406 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.4%
$25K–$50K
25.9%
$50K–$75K
14.1%
$75K–$100K
8.5%
$100K–$200K
12.8%
$200K+
7.4%
The $200,000+ bracket accounts for 48% of 31406's total adjusted gross income, from 7% of returns — a concentration that drives the gap between the median ($42,969) 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 31406's IRS income metrics, 2020–2022.

Median income (2021→2022)
$42,969
▲ 7.0%
Filers earning $200K+
7.4%
▲ 0.3 pt
Total filers
15,470
▼ 0.2%
GET /zipc/v2/zipcodes/31406/soi?year=… $37K 2020 $40K 2021 $43K 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 31406 ZCTA.

2000
34,753
 
2010
33,965
▼ -2.3%
2020
34,579
▲ +1.8%

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 AliasesSavannah, Vernonburg

06Frequently Asked Questions

What county is ZIP code 31406 in?

ZIP code 31406 is in Chatham County, Georgia (county FIPS code 13051).

What city is ZIP code 31406?

The primary USPS city for 31406 is Savannah, GA.

What metro area (MSA) is 31406 in?

31406 is part of the Savannah, GA Metro Area (MSA code 42340).

What is the population of ZIP code 31406?

The 2020 Census population of 31406 was 34,579 residents.

What is the median income in ZIP code 31406?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31406 is about $42,969, with around 7% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.