Jefferson County Genealogy - Quick Reference
Jefferson County, Pennsylvania was established March 26, 1804 from Lycoming County.
Jefferson County was named in honor of the third President of the United States, Thomas Jefferson.
County Seat
Brookville, PA (Attached to Westmoreland County until 1806 and then to Indiana County until 1830.)
Courthouse Address
155 Main Street, Jefferson Place, Brookville, PA 15825-1281
General Phone Number
814-849-1603
Register of Wills and Clerk of Orphan's Court
814-849-1610
Jefferson County Population
|