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US ZIP Code Profile

ZIP Code 31643
Quitman, Georgia

ZIP code 31643 is in Quitman, located in Brooks County, Georgia, within the Valdosta metro area. Its 2020 Census population was 9,252. The estimated median adjusted gross income per tax return is $31,868, and about 3% of filers report $200,000 or more.

2020 Population
9,252
Census ZCTA
County
Brooks
FIPS 13027
Median income (est.)
$31,868
IRS SOI 2022
Land Area
262.757 mi²
+ 1.978 mi² water

01Location & Geography

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

Primary CityQuitman, GA
CountyBrooks County (FIPS 13027)
StateGeorgia (FIPS 13)
Metro Area (MSA)Valdosta, GA Metro Area (46660)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates30.773088, -83.5569
Land / Water Area262.757 mi² land · 1.978 mi² water

02Income & Economics

Distribution of the 3,320 individual tax returns filed in 31643 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
42.5%
$25K–$50K
27.4%
$50K–$75K
12.0%
$75K–$100K
6.6%
$100K–$200K
8.4%
$200K+
3.0%
The $200,000+ bracket accounts for 29% of 31643's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($31,868) 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 31643's IRS income metrics, 2020–2022.

Median income (2021→2022)
$31,868
▲ 10.3%
Filers earning $200K+
3.0%
▲ 0.4 pt
Total filers
3,320
▼ 2.4%
GET /zipc/v2/zipcodes/31643/soi?year=… $29K 2020 $29K 2021 $32K 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 31643 ZCTA.

2000
9,387
 
2010
8,709
▼ -7.2%
2020
9,252
▲ +6.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number127128
City AliasesQuitman

06Frequently Asked Questions

What county is ZIP code 31643 in?

ZIP code 31643 is in Brooks County, Georgia (county FIPS code 13027).

What city is ZIP code 31643?

The primary USPS city for 31643 is Quitman, GA.

What metro area (MSA) is 31643 in?

31643 is part of the Valdosta, GA Metro Area (MSA code 46660).

What is the population of ZIP code 31643?

The 2020 Census population of 31643 was 9,252 residents.

What is the median income in ZIP code 31643?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31643 is about $31,868, 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.