Juniata County is a county located in the U.S. state of Pennsylvania. Its county seat is Mifflintown. The county was created on March 2, 1831, from part of Mifflin County and named for the Juniata River.

Juniata County is governed by a three-member Board of Commissioners, who are elected every four years. The county is divided into three commissioner districts, each represented by one commissioner.

The county is also served by a number of other elected officials, including a Sheriff, District Attorney, Prothonotary, Clerk of Courts, Recorder of Deeds, Treasurer, Coroner, and Register of Wills.

The county is part of the Harrisburg–Carlisle Metropolitan Statistical Area.

For the most up-to-date and in-depth information, please check the public records links below.