St. Clair County
There are 5 County offices
School districts
Elected Offices
| Position title | Next election date | Filing window |
| St. Clair County Assessor | Nov 03, 2020 | Feb 25, 2020 - Jul 27, 2020 |
| St. Clair County Commissioner, Northern | Nov 03, 2020 | Feb 25, 2020 - Jul 27, 2020 |
| St. Clair County Commissioner, Southern | Nov 03, 2020 | Feb 25, 2020 - Jul 27, 2020 |
| St. Clair County Coroner | Nov 03, 2020 | Feb 25, 2020 - Jul 27, 2020 |
| St. Clair County Public Administrator | Nov 03, 2020 | Feb 25, 2020 - Jul 27, 2020 |