Beloit is a village in Mahoning County, Ohio, United States. The population was 1,024 at the 2000 census. It is part of the Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area. Beloit is located at 40°55′22″N 80°59′50″W / 40.92278°N 80.99722°W / 40.92278; -80.99722 (40.922866, -80.997176). According to the United States Census Bureau, the village has a total area of 0.8 square miles (2.0 km²), all of it land.