what county is clintonville, pa in
Sponsored Topics. Clintonville is a borough in Venango County, Pennsylvania, United States. The population was 528 at the 2000 census. Clintonville is located at 41Â°11â²58â³N 79Â°52â²28â³W / 41.19944Â°N 79.87444Â°W / 41.19944; -79.87444 (41.199578, -79.874360).