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US ZIP Code Profile

ZIP Code 31905
Fort Benning, Georgia

ZIP code 31905 is in Fort Benning, located in Muscogee County, Georgia, within the Columbus metro area. Its 2020 Census population was 14,094. The estimated median adjusted gross income per tax return is $52,408, and about 1% of filers report $200,000 or more.

2020 Population
14,094
Census ZCTA
County
Muscogee
FIPS 13215
Median income (est.)
$52,408
IRS SOI 2022
Land Area
38.546 mi²
+ 0.495 mi² water

01Location & Geography

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

Primary CityFort Benning, GA
CountyMuscogee County (FIPS 13215)
StateGeorgia (FIPS 13)
Metro Area (MSA)Columbus, GA-AL Metro Area (17980)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates32.378796, -84.90685
Land / Water Area38.546 mi² land · 0.495 mi² water

02Income & Economics

Distribution of the 3,570 individual tax returns filed in 31905 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
10.9%
$25K–$50K
36.1%
$50K–$75K
30.5%
$75K–$100K
11.8%
$100K–$200K
10.1%
$200K+
0.6%
The $200,000+ bracket accounts for 3% of 31905's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($52,408) 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 31905's IRS income metrics, 2020–2022.

Median income (2021→2022)
$52,408
▲ 8.8%
Filers earning $200K+
0.6%
▼ 0.3 pt
Total filers
3,570
▲ 0.6%
GET /zipc/v2/zipcodes/31905/soi?year=… $45K 2020 $48K 2021 $52K 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 31905 ZCTA.

2000
23,421
 
2010
16,044
▼ -31.5%
2020
14,094
▼ -12.2%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeBranch
Carrier Route SortD
USPS Finance Number121991
City AliasesColumbus, Fort Benning, Camp Rogers, Cols

06Frequently Asked Questions

What county is ZIP code 31905 in?

ZIP code 31905 is in Muscogee County, Georgia (county FIPS code 13215).

What city is ZIP code 31905?

The primary USPS city for 31905 is Fort Benning, GA.

What metro area (MSA) is 31905 in?

31905 is part of the Columbus, GA-AL Metro Area (MSA code 17980).

What is the population of ZIP code 31905?

The 2020 Census population of 31905 was 14,094 residents.

What is the median income in ZIP code 31905?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31905 is about $52,408, with around 1% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.