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US ZIP Code Profile

ZIP Code 31791
Sylvester, Georgia

ZIP code 31791 is in Sylvester, located in Worth County, Georgia, within the Albany metro area. Its 2020 Census population was 11,756. The estimated median adjusted gross income per tax return is $35,036, and about 2% of filers report $200,000 or more.

2020 Population
11,756
Census ZCTA
County
Worth
FIPS 13321
Median income (est.)
$35,036
IRS SOI 2022
Land Area
189.88 mi²
+ 0.633 mi² water

01Location & Geography

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

Primary CitySylvester, GA
CountyWorth County (FIPS 13321)
StateGeorgia (FIPS 13)
Metro Area (MSA)Albany, GA Metro Area (10500)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates31.52895, -83.89426
Land / Water Area189.88 mi² land · 0.633 mi² water

02Income & Economics

Distribution of the 4,800 individual tax returns filed in 31791 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
38.5%
$25K–$50K
28.5%
$50K–$75K
13.1%
$75K–$100K
7.5%
$100K–$200K
10.0%
$200K+
2.3%
The $200,000+ bracket accounts for 17% of 31791's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($35,036) 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 31791's IRS income metrics, 2020–2022.

Median income (2021→2022)
$35,036
▲ 5.8%
Filers earning $200K+
2.3%
▲ 0.0 pt
Total filers
4,800
▼ 1.8%
GET /zipc/v2/zipcodes/31791/soi?year=… $33K 2020 $33K 2021 $35K 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 31791 ZCTA.

2000
12,927
 
2010
12,354
▼ -4.4%
2020
11,756
▼ -4.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number128503
City AliasesSylvester

06Frequently Asked Questions

What county is ZIP code 31791 in?

ZIP code 31791 is in Worth County, Georgia (county FIPS code 13321).

What city is ZIP code 31791?

The primary USPS city for 31791 is Sylvester, GA.

What metro area (MSA) is 31791 in?

31791 is part of the Albany, GA Metro Area (MSA code 10500).

What is the population of ZIP code 31791?

The 2020 Census population of 31791 was 11,756 residents.

What is the median income in ZIP code 31791?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31791 is about $35,036, 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.