County ZIP codes · Georgia · FIPS 13215
Muscogee County, GA ZIP Codes
Muscogee County, Georgia has 20 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 11 residential and 9 for PO boxes or a single organization. 8 of the residential ones lie mainly in Muscogee County and 3 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $32,401 in 31903 (Columbus) to $114,468 in 31820 (Midland) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Muscogee County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $51,424 and $69,166.
They carry 6 postal town names: Columbus, Fort Benning, Midland, Fortson, Box Springs, Upatoi.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 11 residential ZIP codes in Muscogee County
8 ZIP codes lie mainly in Muscogee County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 31907 | Columbus | 59,110 | 2,479 | $55k | $158k | 100% |
| 31909 | Columbus | 39,364 | 2,105 | $69k | $221k | 100% |
| 31904 | Columbus | 35,405 | 1,287 | $66k | $226k | 100% |
| 31903 | Columbus | 20,644 | 2,070 | $32k | $81k | 100% |
| 31906 | Columbus | 20,400 | 2,970 | $45k | $180k | 100% |
| 31820 | Midland | 14,005 | 339 | $115k | $364k | 60% |
| 31901 | Columbus | 5,841 | 1,328 | $51k | $227k | 100% |
| 31829 | Upatoi | 1,699 | 128 | $110k | $376k | 84% |
Partly in Muscogee County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
5 ZIP codes of Muscogee County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Muscogee | Elsewhere |
|---|---|---|
| 31905 | 19% | Chattahoochee County 81% |
| 31820 | 60% | Harris County 40% |
| 31808 | 21% | Harris County 79% |
| 31801 | 2% | Marion County 65%; Talbot County 33% |
| 31829 | 84% | Harris County 16% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Muscogee County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Muscogee County's ZIP codes use 2 prefixes: 318 and 319.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.