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US ZIP Code Profile

ZIP Code 31738
Coolidge, Georgia

ZIP code 31738 is in Coolidge, located in Thomas County, Georgia, within the Thomasville metro area. Its 2020 Census population was 2,293. The estimated median adjusted gross income per tax return is $40,761, and about 3% of filers report $200,000 or more.

2020 Population
2,293
Census ZCTA
County
Thomas
FIPS 13275
Median income (est.)
$40,761
IRS SOI 2022
Land Area
62.368 mi²
+ 0.81 mi² water

01Location & Geography

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

Primary CityCoolidge, GA
CountyThomas County (FIPS 13275)
StateGeorgia (FIPS 13)
Metro Area (MSA)Thomasville, GA Micro Area (45620)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates31.012669, -83.871864
Land / Water Area62.368 mi² land · 0.81 mi² water

02Income & Economics

Distribution of the 870 individual tax returns filed in 31738 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
33.3%
$25K–$50K
26.4%
$50K–$75K
16.1%
$75K–$100K
8.1%
$100K–$200K
12.6%
$200K+
3.5%
The $200,000+ bracket accounts for 31% of 31738's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($40,761) 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 31738's IRS income metrics, 2020–2022.

Median income (2021→2022)
$40,761
▲ 8.7%
Filers earning $200K+
3.5%
▼ 0.0 pt
Total filers
870
▲ 1.2%
GET /zipc/v2/zipcodes/31738/soi?year=… $34K 2020 $38K 2021 $41K 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 31738 ZCTA.

2000
1,896
 
2010
2,102
▲ +10.9%
2020
2,293
▲ +9.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number122057
City AliasesCoolidge

06Frequently Asked Questions

What county is ZIP code 31738 in?

ZIP code 31738 is in Thomas County, Georgia (county FIPS code 13275).

What city is ZIP code 31738?

The primary USPS city for 31738 is Coolidge, GA.

What metro area (MSA) is 31738 in?

31738 is part of the Thomasville, GA Micro Area (MSA code 45620).

What is the population of ZIP code 31738?

The 2020 Census population of 31738 was 2,293 residents.

What is the median income in ZIP code 31738?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31738 is about $40,761, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.