Washington, MO zip code
Washington, Missouri uses one zip code: 63090. Most of it is in Franklin County. Together these zip codes are home to about 23K people.
Zip codes
1
Population
23K
All zips combined
Largest zip
63090
23,258 residents
Zip codes in Washington
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 63090 | 23,258 | $85,025 |