There was a combined approximately $14 million of land and rural real estate for sale in Juniata County recently on Land.com. The total acreage of all Juniata County farms, hunting land and other rural land and acreage for sale was 1,000 acres. Juniata County ranks 61st in Pennsylvania for the total number of acres of land currently advertised for sale. Of all farms, rural land, hunting land and other land for sale in Juniata County, Mifflintown had the most land for sale. Juniata County is the 57th biggest county (393 square miles) in Pennsylvania. It's located in the Alleghenies & Valleys Pennsylvania region of the state.