- Natural beauty: The county is home to several parks and nature reserves, including Westmoreland Heritage Trail, Keystone State Park, and Twin Lakes Park.
- History: The county was founded in 1773, and played an important role in the American Revolution.
- Sports: The county is home to the Pittsburgh Steelers, the Pittsburgh Penguins, and the Pittsburgh Pirates.
- Education: The county is home to several colleges and universities, including Saint Vincent College, Seton Hill University, and the University of Pittsburgh at Greensburg.
- Industry: The county is home to several manufacturing plants, including those of Westinghouse Electric Corporation, General Motors, and Kennametal.
- Agriculture: The county is known for its dairy farming, as well as its production of corn and soybeans.