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US ZIP Code Profile

ZIP Code 31637
Lenox, Georgia

ZIP code 31637 is in Lenox, located in Cook County, Georgia. Its 2020 Census population was 3,086. The estimated median adjusted gross income per tax return is $39,113, and about 2% of filers report $200,000 or more.

2020 Population
3,086
Census ZCTA
County
Cook
FIPS 13075
Median income (est.)
$39,113
IRS SOI 2022
Land Area
79.085 mi²
+ 1.363 mi² water

01Location & Geography

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

Primary CityLenox, GA
CountyCook County (FIPS 13075)
StateGeorgia (FIPS 13)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates31.295961, -83.440216
Land / Water Area79.085 mi² land · 1.363 mi² water

02Income & Economics

Distribution of the 1,090 individual tax returns filed in 31637 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
33.9%
$25K–$50K
28.4%
$50K–$75K
14.7%
$75K–$100K
10.1%
$100K–$200K
11.0%
$200K+
1.8%
The $200,000+ bracket accounts for 12% of 31637's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($39,113) 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 31637's IRS income metrics, 2020–2022.

Median income (2021→2022)
$39,113
▲ 7.8%
Filers earning $200K+
1.8%
▲ 1.8 pt
Total filers
1,090
▲ 0.9%
GET /zipc/v2/zipcodes/31637/soi?year=… $35K 2020 $36K 2021 $39K 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 31637 ZCTA.

2000
2,781
 
2010
2,848
▲ +2.4%
2020
3,086
▲ +8.4%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number125038
City AliasesEl Dorado, Lenox

06Frequently Asked Questions

What county is ZIP code 31637 in?

ZIP code 31637 is in Cook County, Georgia (county FIPS code 13075).

What city is ZIP code 31637?

The primary USPS city for 31637 is Lenox, GA.

What is the population of ZIP code 31637?

The 2020 Census population of 31637 was 3,086 residents.

What is the median income in ZIP code 31637?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31637 is about $39,113, 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.