Warren County, Iowa ZIP Codes
- ZIP records
12 - Cities represented
12 - Sum of listed ZIP population estimates
52,140
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 | 50125 | Indianola | 20,121 |
| 2 | 50211 | Norwalk | 16,835 |
| 3 | 50047 | Carlisle | 6,690 |
| 4 | 50166 | Milo | 2,023 |
| 5 | 50229 | Prole | 1,585 |
| 6 | 50210 | New Virginia | 1,487 |
| 7 | 50139 | Lacona | 1,025 |
| 8 | 50118 | Hartford | 920 |
| 9 | 50001 | Ackworth | 650 |
| 10 | 50160 | Martensdale | 569 |
Cities in Warren County
- Ackworth
- Carlisle
- Hartford
- Indianola
- Lacona
- Liberty Center
- Martensdale
- Milo
- New Virginia
- Norwalk
- Prole
- Saint Marys
ZIP Directory
- ZIP 50001
- ZIP 50047
- ZIP 50118
- ZIP 50125
- ZIP 50139
- ZIP 50145
- ZIP 50160
- ZIP 50166
- ZIP 50210
- ZIP 50211
- ZIP 50229
- ZIP 50241
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.