Latrobe is a city in Westmoreland County, Pennsylvania, United States. The population was 8,060 as of the 2020 census. A part of the Pittsburgh metropolitan area, it is located near Pennsylvania's scenic Chestnut Ridge. Latrobe was incorporated as a borough in 1854, and as a city in 1999. The current mayor is Eric J. Bartels. Latrobe is the home of the Latrobe Brewery, the original brewer of Rolling Rock beer.