Smithland, IA zip code
Smithland, Iowa uses one zip code: 51056. Most of it is in Woodbury County. Together these zip codes are home to about 346 people.
Zip codes
1
Population
346
All zips combined
Largest zip
51056
346 residents
Zip codes in Smithland
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 51056 | 346 | $103,313 |