Sandy Lake is a borough in eastern Mercer County, Pennsylvania, United States. It was established in 1849. The population was 649 at the 2020 census. It is part of the Hermitage micropolitan area.
Commercial buildings on Main Street
Sandy Lake (top left) and Oakview Elementary School (bottom right) in 2024, photographed from 2000ft above the ground.
Pennsylvania Route 173 is a 45.7-mile-long state highway located in western Pennsylvania, running from PA Route 8 south of Slippery Rock in Butler County, to PA Route 27 north of Cochranton in Crawfor