Knox is a borough in Clarion County, Pennsylvania, United States. The population was 1,102 at the 2020 census. Knox is located northwest of the center of Clarion County at 41°14′7″N 79°32′10″W / 41.23528°N 79.53611°W. Pennsylvania Route 208 passes through the center of the borough, leading east 4 miles to U.S. Route 322 at Shippenville, PA …
Knox is a borough in Clarion County, Pennsylvania, United States. The population was 1,102 at the 2020 census. Knox is located northwest of the center of Clarion County at 41°14′7″N 79°32′10″W / 41.23528°N 79.53611°W. Pennsylvania Route 208 passes through the center of the borough, leading east 4 miles to U.S. Route 322 at Shippenville, PA and west 11 miles to Emlenton, PA. Pennsylvania Route 338 runs through the eastern side of Knox as a two-lane bypass; it leads north 4 miles to US 322 and south four miles to Interstate 80. Clarion, the county seat, is 9 miles to the east via Shippenville.