Marshalltown, IA ZIP Codes
1
Total ZIPs
31,591
Total Population
ZIP Codes in Marshalltown, IA
| ZIP Code | Population | Density | Timezone |
|---|---|---|---|
| 50158 | 31,591 | 58 | America/Chicago |
All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.