Mercer County is made up of six magisterial districts. Each Magistrate is an elected representative to the Fiscal Court and works in conjunction with the County Judge Executive assisting in the administration of the county government. The Magistrates may also act as Justices of the Peace and perform marriages if authorized by the Governor or the County Judge Executive.​​​​​​​​​​​​​​​​​​​
1Ronnie Simms356 Rose Hill LaneHarrodsburgKY40330859-734-2246
2Tim Darland2092 Bohon Rd.HarrodsburgKY40330859-734-5934
3Jackie Claycomb409 Talmage-Mayo Rd.HarrodsburgKY40330859-734-2240
4Donnie Webb385 Hogue LaneHarrodsburgKY40330859-748-5417
5Wayne T. Jackson1113 Pawnee Dr.HarrodsburgKY40330859-734-5919
6Dennis Holiday580 Beaumont Ave.HarrodsburgKY40330859-734-3746