Caldwell County, Missouri ZIP Codes
- ZIP records
7 - Cities represented
7 - Sum of listed ZIP population estimates
9,107
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 64644 | Hamilton | 2,923 |
| 2 | 64671 | Polo | 1,986 |
| 3 | 64624 | Braymer | 1,489 |
| 4 | 64649 | Kidder | 814 |
| 5 | 64625 | Breckenridge | 738 |
| 6 | 64650 | Kingston | 665 |
| 7 | 64637 | Cowgill | 492 |
Cities in Caldwell County
ZIP Directory
Browse all ZIP data for Missouri
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.