📍 View location on OpenStreetMap (38.417490, -91.014380)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 63084 |
| Primary City | Union |
| State / Province | MO |
| County | Franklin |
| Total Population | 20,708 |
| Population Density | 104.8 people/sq mi |
| Timezone | America/Chicago |
| Metric | ZIP 63084 | Franklin County records | MO records |
|---|---|---|---|
| Population estimate | 20,708 | 114,137 (sum) | 6,191,989 (sum) |
| Population Density | 104.8 /sq mi | -- | -- |
| County population rank | #2 of 20 | -- | -- |
| State population rank | #94 of 1,021 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 63077 | Saint Clair | 6.5 mi | 11,391 |
| ZIP 63013 | Beaufort | 7.4 mi | 1,136 |
| ZIP 63089 | Villa Ridge | 7.7 mi | 5,662 |
| ZIP 63090 | Washington | 8.1 mi | 23,258 |
| ZIP 63039 | Gray Summit | 11.1 mi | 986 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →