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US ZIP Code Profile

ZIP Code 31904
Columbus, Georgia

ZIP code 31904 is in Columbus, located in Muscogee County, Georgia, within the Columbus metro area. Its 2020 Census population was 36,947. The estimated median adjusted gross income per tax return is $41,239, and about 8% of filers report $200,000 or more.

2020 Population
36,947
Census ZCTA
County
Muscogee
FIPS 13215
Median income (est.)
$41,239
IRS SOI 2022
Land Area
28.836 mi²
+ 2.996 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
Coordinates32.55434, -85.00947
Land / Water Area28.836 mi² land · 2.996 mi² water

02Income & Economics

Distribution of the 13,850 individual tax returns filed in 31904 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
34.0%
$25K–$50K
24.6%
$50K–$75K
13.6%
$75K–$100K
8.2%
$100K–$200K
11.9%
$200K+
7.7%
The $200,000+ bracket accounts for 52% of 31904's total adjusted gross income, from 8% of returns — a concentration that drives the gap between the median ($41,239) 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 31904's IRS income metrics, 2020–2022.

Median income (2021→2022)
$41,239
▲ 7.1%
Filers earning $200K+
7.7%
▲ 0.2 pt
Total filers
13,850
▼ 0.3%
GET /zipc/v2/zipcodes/31904/soi?year=… $37K 2020 $39K 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 31904 ZCTA.

2000
30,068
 
2010
32,871
▲ +9.3%
2020
36,947
▲ +12.4%

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, Beallwood, Cols

06Frequently Asked Questions

What county is ZIP code 31904 in?

ZIP code 31904 is in Muscogee County, Georgia (county FIPS code 13215).

What city is ZIP code 31904?

The primary USPS city for 31904 is Columbus, GA.

What metro area (MSA) is 31904 in?

31904 is part of the Columbus, GA-AL Metro Area (MSA code 17980).

What is the population of ZIP code 31904?

The 2020 Census population of 31904 was 36,947 residents.

What is the median income in ZIP code 31904?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31904 is about $41,239, with around 8% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.