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US ZIP Code Profile

ZIP Code 31909
Columbus, Georgia

ZIP code 31909 is in Columbus, located in Muscogee County, Georgia, within the Columbus metro area. Its 2020 Census population was 38,760. The estimated median adjusted gross income per tax return is $43,956, and about 3% of filers report $200,000 or more.

2020 Population
38,760
Census ZCTA
County
Muscogee
FIPS 13215
Median income (est.)
$43,956
IRS SOI 2022
Land Area
18.261 mi²
+ 0.13 mi² water

01Location & Geography

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

Primary CityColumbus, GA
CountyMuscogee County (FIPS 13215)
StateGeorgia (FIPS 13)
Metro Area (MSA)Columbus, GA-AL Metro Area (17980)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates32.548805, -84.9241
Land / Water Area18.261 mi² land · 0.13 mi² water

02Income & Economics

Distribution of the 17,350 individual tax returns filed in 31909 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.8%
$25K–$50K
28.0%
$50K–$75K
17.6%
$75K–$100K
10.0%
$100K–$200K
12.7%
$200K+
2.9%
The $200,000+ bracket accounts for 17% of 31909's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($43,956) 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 31909's IRS income metrics, 2020–2022.

Median income (2021→2022)
$43,956
▲ 4.1%
Filers earning $200K+
2.9%
▼ 0.1 pt
Total filers
17,350
▲ 0.3%
GET /zipc/v2/zipcodes/31909/soi?year=… $41K 2020 $42K 2021 $44K 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 31909 ZCTA.

2000
27,872
 
2010
35,177
▲ +26.2%
2020
38,760
▲ +10.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number121991
City AliasesColumbus, Cols

06Frequently Asked Questions

What county is ZIP code 31909 in?

ZIP code 31909 is in Muscogee County, Georgia (county FIPS code 13215).

What city is ZIP code 31909?

The primary USPS city for 31909 is Columbus, GA.

What metro area (MSA) is 31909 in?

31909 is part of the Columbus, GA-AL Metro Area (MSA code 17980).

What is the population of ZIP code 31909?

The 2020 Census population of 31909 was 38,760 residents.

What is the median income in ZIP code 31909?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31909 is about $43,956, 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.