Loganton is a borough in Clinton County, Pennsylvania, United States. The population was 469 at the 2020 census. Loganton is named after Chief James Logan. Loganton is located in southern Clinton County in the Sugar Valley, part of the Ridge-and-Valley Appalachians, and is situated at the northern base of Sugar Valley Mountain. Pennsylvania Route 47…Loganton is a borough in Clinton County, Pennsylvania, United States. The population was 469 at the 2020 census. Loganton is named after Chief James Logan. Loganton is located in southern Clinton County in the Sugar Valley, part of the Ridge-and-Valley Appalachians, and is situated at the northern base of Sugar Valley Mountain. Pennsylvania Route 477 and Pennsylvania Route 880 cross in the center of Loganton.