Humboldt, IL zip code
Humboldt, Illinois uses one zip code: 61931. Most of it is in Coles County. Together these zip codes are home to about 1.4K people.
Zip codes
1
Population
1.4K
All zips combined
Largest zip
61931
1,350 residents
Zip codes in Humboldt
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 61931 | 1,350 | $74,125 |