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US ZIP Code Profile

ZIP Code 31620
Adel, Georgia

ZIP code 31620 is in Adel, located in Cook County, Georgia. Its 2020 Census population was 10,822. The estimated median adjusted gross income per tax return is $35,064, and about 2% of filers report $200,000 or more.

2020 Population
10,822
Census ZCTA
County
Cook
FIPS 13075
Median income (est.)
$35,064
IRS SOI 2022
Land Area
124.933 mi²
+ 2.584 mi² water

01Location & Geography

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

Primary CityAdel, GA
CountyCook County (FIPS 13075)
StateGeorgia (FIPS 13)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates31.117296, -83.434235
Land / Water Area124.933 mi² land · 2.584 mi² water

02Income & Economics

Distribution of the 4,230 individual tax returns filed in 31620 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
38.8%
$25K–$50K
27.9%
$50K–$75K
13.2%
$75K–$100K
6.6%
$100K–$200K
11.1%
$200K+
2.4%
The $200,000+ bracket accounts for 25% of 31620's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($35,064) 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 31620's IRS income metrics, 2020–2022.

Median income (2021→2022)
$35,064
▲ 10.0%
Filers earning $200K+
2.4%
▲ 0.0 pt
Total filers
4,230
▼ 0.5%
GET /zipc/v2/zipcodes/31620/soi?year=… $31K 2020 $32K 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 31620 ZCTA.

2000
9,828
 
2010
10,690
▲ +8.8%
2020
10,822
▲ +1.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number120066
City AliasesAdel

06Frequently Asked Questions

What county is ZIP code 31620 in?

ZIP code 31620 is in Cook County, Georgia (county FIPS code 13075).

What city is ZIP code 31620?

The primary USPS city for 31620 is Adel, GA.

What is the population of ZIP code 31620?

The 2020 Census population of 31620 was 10,822 residents.

What is the median income in ZIP code 31620?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31620 is about $35,064, 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.