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US ZIP Code Profile

ZIP Code 31626
Boston, Georgia

ZIP code 31626 is in Boston, located in Thomas County, Georgia, within the Thomasville metro area. Its 2020 Census population was 3,378. The estimated median adjusted gross income per tax return is $38,158, and about 3% of filers report $200,000 or more.

2020 Population
3,378
Census ZCTA
County
Thomas
FIPS 13275
Median income (est.)
$38,158
IRS SOI 2022
Land Area
142.914 mi²
+ 1.334 mi² water

01Location & Geography

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

Primary CityBoston, GA
CountyThomas County (FIPS 13275)
StateGeorgia (FIPS 13)
Metro Area (MSA)Thomasville, GA Micro Area (45620)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates30.778488, -83.79641
Land / Water Area142.914 mi² land · 1.334 mi² water

02Income & Economics

Distribution of the 1,340 individual tax returns filed in 31626 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
35.1%
$25K–$50K
28.4%
$50K–$75K
14.2%
$75K–$100K
8.2%
$100K–$200K
11.2%
$200K+
3.0%
The $200,000+ bracket accounts for 20% of 31626's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($38,158) 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 31626's IRS income metrics, 2020–2022.

Median income (2021→2022)
$38,158
▲ 6.3%
Filers earning $200K+
3.0%
▲ 0.1 pt
Total filers
1,340
▼ 2.9%
GET /zipc/v2/zipcodes/31626/soi?year=… $34K 2020 $36K 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 31626 ZCTA.

2000
3,169
 
2010
3,463
▲ +9.3%
2020
3,378
▼ -2.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number120957
City AliasesBoston

06Frequently Asked Questions

What county is ZIP code 31626 in?

ZIP code 31626 is in Thomas County, Georgia (county FIPS code 13275).

What city is ZIP code 31626?

The primary USPS city for 31626 is Boston, GA.

What metro area (MSA) is 31626 in?

31626 is part of the Thomasville, GA Micro Area (MSA code 45620).

What is the population of ZIP code 31626?

The 2020 Census population of 31626 was 3,378 residents.

What is the median income in ZIP code 31626?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31626 is about $38,158, 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.