Mark, IL zip code
Mark, Illinois uses one zip code: 61340. Most of it is in Putnam County. Together these zip codes are home to about 545 people.
Zip codes
1
Population
545
All zips combined
Largest zip
61340
545 residents
Zip codes in Mark
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 61340 | 545 | $78,750 |