

Plainfield Township
The Plainfield Township Board consists of 7 members each holding 4 year terms.
Voters elect 3 officers: Supervisor, Clerk, Treasurer. Four elected members are called Trustees. Partisan elections are held every 4 years. Every seat opens every 4 years.
| Office | Name | Year Elected | Term Expires | Notes |
|---|---|---|---|---|
| Supervisor | Tom Coleman | 2020 | 2024 | Republican |
| Township Clerk | Cathleen Postmus | 2020 | 2024 | Republican |
| Treasurer | William Brinkman, Jr. | 2020 | 2024 | Republican |
| Trustee | Kathey Batey | 2020 | 2024 | Republican |
| Trustee | Jack Hagedorn | 2020 | 2024 | Republican |
| Trustee | Susan Morrow | 2020 | 2024 | Republican |
| Trustee | Frank Pfaff | 2020 | 2024 | Republican |