Spencer, IA zip code
Spencer, Iowa uses one zip code: 51301. Most of it is in Clay County. Together these zip codes are home to about 13K people.
Zip codes
1
Population
13K
All zips combined
Largest zip
51301
12,638 residents
Zip codes in Spencer
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 51301 | 12,638 | $63,402 |