Geography The borough of Mill Creek is located in east-central Huntingdon County on the northeastern side of the Juniata River where it is joined by Mill Creek. U.S. Route 22 passes through the borough, leading northwestward to Huntingdon, the county seat, and southeastward to Mount Union. Pennsylvania Route 655 (Big Valley Pike) leads northeastward from Mill Creek to Belleville in the Kishacoquillas Valley.
Geography The borough of Mill Creek is located in east-central Huntingdon County on the northeastern side of the Juniata River where it is joined by Mill Creek. U.S. Route 22 passes through the borough lea,ding northwestward to Huntingdon, the county seat, and southeastward to Mount Union. Pennsylvania Route 655 (Big Valley Pike) leads northeastward from Mill Creek to Belleville in the Kishacoquillas Valley.