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US ZIP Code Profile

ZIP Code 31639
Nashville, Georgia

ZIP code 31639 is in Nashville, located in Berrien County, Georgia. Its 2020 Census population was 10,305. The estimated median adjusted gross income per tax return is $38,362, and about 2% of filers report $200,000 or more.

2020 Population
10,305
Census ZCTA
County
Berrien
FIPS 13019
Median income (est.)
$38,362
IRS SOI 2022
Land Area
220.978 mi²
+ 1.888 mi² water

01Location & Geography

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

Primary CityNashville, GA
CountyBerrien County (FIPS 13019)
StateGeorgia (FIPS 13)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates31.216549, -83.19073
Land / Water Area220.978 mi² land · 1.888 mi² water

02Income & Economics

Distribution of the 4,000 individual tax returns filed in 31639 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
34.5%
$25K–$50K
29.0%
$50K–$75K
14.2%
$75K–$100K
8.5%
$100K–$200K
11.2%
$200K+
2.5%
The $200,000+ bracket accounts for 25% of 31639's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($38,362) 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 31639's IRS income metrics, 2020–2022.

Median income (2021→2022)
$38,362
▲ 8.4%
Filers earning $200K+
2.5%
▲ 0.0 pt
Total filers
4,000
▼ 0.7%
GET /zipc/v2/zipcodes/31639/soi?year=… $34K 2020 $35K 2021 $38K 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 31639 ZCTA.

2000
9,502
 
2010
10,537
▲ +10.9%
2020
10,305
▼ -2.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number126281
City AliasesNashville

06Frequently Asked Questions

What county is ZIP code 31639 in?

ZIP code 31639 is in Berrien County, Georgia (county FIPS code 13019).

What city is ZIP code 31639?

The primary USPS city for 31639 is Nashville, GA.

What is the population of ZIP code 31639?

The 2020 Census population of 31639 was 10,305 residents.

What is the median income in ZIP code 31639?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31639 is about $38,362, 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.