Kentucky's 3rd Senate district

Kentucky's 3rd Senatorial district is one of 38 districts in the Kentucky Senate. Located in the western part of the state, it comprises the counties of Caldwell, Christian, and Muhlenberg. It has been represented by Whitney Westerfield (R–Fruit Hill) since 2013. As of 2022, the district had a population of 116,136.

Voter registration
On July 1, 2024, the district had 83,204 registered voters, who were registered with the following parties.