Chillicothe, IL zip code
Chillicothe, Illinois uses one zip code: 61523. Most of it is in Peoria County. Together these zip codes are home to about 10K people.
Zip codes
1
Population
10K
All zips combined
Largest zip
61523
10,203 residents
Zip codes in Chillicothe
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 61523 | 10,203 | $79,453 |