The district also contains Lake Poygan and Hartman Creek State Park.

[2] Rachael Cabral-Guevara is the senator representing the 19th district since January 2023.

The portion of the district in Adams and Portage counties falls within Wisconsin's 3rd congressional district, represented by U.S. Representative Derrick Van Orden.

[6] Past senators include:[7] Note: the boundaries of districts have changed repeatedly over history.

Previous politicians of a specific numbered district have represented a completely different geographic area, due to redistricting.