Homestead is a borough in Allegheny County, Pennsylvania, USA, in the “Mon Valley,” 7 miles (11 km) southeast of downtown Pittsburgh and directly across the river from the city limit line. The borough is known for the Homestead Strike of 1892, an important event in the history of labor relations in the United States. The population of Homestead was 3,165 at the 2010 census.
Homestead is located at 40°24′18″N 79°54′28″W (40.405069, -79.907785).
According to the United States Census Bureau, the borough has a total area of 0.6 square miles (1.6 km2), of which 0.6 square miles (1.6 km2) is land and 0.1 square miles (0.26 km2), or 11.11%, is water.