The Township of Brock forms part of the provincial and federal riding of Haliburton-Kawartha Lakes-Brock. The members and their constituency offices are as follows:
| Provincial Government Representative |
| Ms. Laurie Scott, MPP 14 Lindsay Street North 705-324-6654 Additional Government of Ontario Website Links: |
| Federal Government Representative |
 Mr. Jamie Schmale, MP
68 McLaughlin Road, Unit 1 705-324-2400 Additional Government of Canada Website Links: |