Franklin County, Missouri ZIP codes
20 ZIP codes are in Franklin County, plus 3 that cross in from neighboring counties. It's part of the St. Louis, MO-IL metro area.
- ZIP codes
- 20
- Population in these ZIPs
- 114,137
- Avg. median income
- $75,800population-weighted
- Cities & towns
- 20
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Franklin County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 63013 | Beaufort | 1,136 | $99,337 | $304,600 |
| 63014 | Berger | 426 | $61,842 | $286,900 |
| 63015 | Catawissa | 1,939 | $88,750 | $255,000 |
| 63037 | Gerald | 2,970 | $50,203 | $245,500 |
| 63039 | Gray Summit | 986 | $70,329 | $231,900 |
| 63041 | Grubville | 309 | $68,750 | $261,800 |
| 63055 | Labadie | 1,693 | $79,125 | $375,100 |
| 63056 | Leslie | 1,896 | $75,517 | $267,700 |
| 63060 | Lonedell | 2,192 | $54,926 | $253,300 |
| 63061 | Luebbering | 216 | $99,405 | $305,400 |
| 63068 | New Haven | 6,202 | $79,632 | $260,100 |
| 63069 | Pacific | 15,697 | $78,185 | $302,500 |
| 63072 | Robertsville | 3,469 | $80,333 | $236,900 |
| 63073 | Saint Albans | 803 | $250,001 | $909,000 |
| 63077 | Saint Clair | 11,391 | $56,281 | $211,500 |
| 63079 | Stanton | 60 | — | — |
| 63080 | Sullivan | 13,124 | $66,541 | $207,000 |
| 63084 | Union | 20,708 | $75,992 | $259,000 |
| 63089 | Villa Ridge | 5,662 | $72,731 | $288,300 |
| 63090 | Washington | 23,258 | $85,025 | $303,500 |
ZIP codes partly in Franklin County
These ZIP codes are mostly in a neighboring county but cover part of Franklin County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 63005 | Chesterfield | St. Louis County | 19,779 | $198,469 | $849,800 |
| 63091 | Rosebud | Gasconade County | 1,449 | $80,000 | $271,200 |
| 65441 | Bourbon | Crawford County | 5,028 | $65,050 | $219,800 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Franklin County
Nearby counties
Frequently asked questions
How many ZIP codes are in Franklin County, Missouri?
20 ZIP codes are mainly in Franklin County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Franklin County?
ZIP codes in Franklin County use the city names Beaufort, Berger, Catawissa, Gerald, Gray Summit, Grubville, Labadie, Leslie, Lonedell, Luebbering, New Haven and Pacific and others.
What metro area is Franklin County in?
Franklin County is part of the St. Louis, MO-IL metropolitan statistical area.