Custer, WI zip code
Custer, Wisconsin uses one zip code: 54423. Most of it is in Portage County. Together these zip codes are home to about 2.4K people.
Zip codes
1
Population
2.4K
All zips combined
Largest zip
54423
2,394 residents
Zip codes in Custer
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 54423 | 2,394 | $113,690 |