Boone County, Iowa ZIP Codes
- ZIP records
8 - Cities represented
8 - Sum of listed ZIP population estimates
26,994
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 | 50036 | Boone | 16,154 |
| 2 | 50156 | Madrid | 4,575 |
| 3 | 50212 | Ogden | 2,993 |
| 4 | 50276 | Woodward | 2,679 |
| 5 | 50223 | Pilot Mound | 236 |
| 6 | 50040 | Boxholm | 168 |
| 7 | 50152 | Luther | 138 |
| 8 | 50031 | Beaver | 51 |
Cities in Boone County
ZIP Directory
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.