Williamson County, Illinois property tax info
| Population | 66,674 |
| Assessors Web Page Link | Click Here |
| Assessor Physical Address | 200 West Jefferson Street Marion, IL 62959 |
| Assessor Phone Number | (618) 997-1301 |
| Appeals Page Link | Click Here |
| FREE to appeal? Or Cost? | Free |
| Additional info required to pull or just address? | Click Here |
| LINK TO APPEAL FORM IF ANY | Click Here |
| DATE APPEALS DUE BY | 1st Installment: August 26, 2021. 2nd Installment: October 14, |
| Attorney required to appeal? | No |