Austintown is a census-designated place (CDP) in Mahoning County, Ohio, United States. It is part of the Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area. The population was 31,627 at the 2000 census. The high school serving the area is Austintown-Fitch High School.
Austintown is located at 41°5′30″N 80°44′17″W / 41.09167°N 80.73806°W / 41.09167; -80.73806 (41.091743, -80.738103).
According to the United States Census Bureau, the CDP has a total area of 11.7 square miles (30.2 km²), all of it land.