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US ZIP Code Profile

ZIP Code 31089
Tennille, Georgia

ZIP code 31089 is in Tennille, located in Washington County, Georgia. Its 2020 Census population was 4,562. The estimated median adjusted gross income per tax return is $33,991, and about 2% of filers report $200,000 or more.

2020 Population
4,562
Census ZCTA
County
Washington
FIPS 13303
Median income (est.)
$33,991
IRS SOI 2022
Land Area
153.398 mi²
+ 1.099 mi² water

01Location & Geography

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

Primary CityTennille, GA
CountyWashington County (FIPS 13303)
StateGeorgia (FIPS 13)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates32.850765, -82.86031
Land / Water Area153.398 mi² land · 1.099 mi² water

02Income & Economics

Distribution of the 1,910 individual tax returns filed in 31089 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
39.3%
$25K–$50K
29.8%
$50K–$75K
12.6%
$75K–$100K
7.3%
$100K–$200K
8.9%
$200K+
2.1%
The $200,000+ bracket accounts for 13% of 31089's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($33,991) 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 31089's IRS income metrics, 2020–2022.

Median income (2021→2022)
$33,991
▲ 8.8%
Filers earning $200K+
2.1%
▲ 1.1 pt
Total filers
1,910
▼ 2.6%
GET /zipc/v2/zipcodes/31089/soi?year=… $29K 2020 $31K 2021 $34K 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 31089 ZCTA.

2000
4,713
 
2010
4,838
▲ +2.7%
2020
4,562
▼ -5.7%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number128657
City AliasesTennille

06Frequently Asked Questions

What county is ZIP code 31089 in?

ZIP code 31089 is in Washington County, Georgia (county FIPS code 13303).

What city is ZIP code 31089?

The primary USPS city for 31089 is Tennille, GA.

What is the population of ZIP code 31089?

The 2020 Census population of 31089 was 4,562 residents.

What is the median income in ZIP code 31089?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31089 is about $33,991, 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.