Coatesville (KOTS-vil), city (1990 pop. 11,038), Chester co., SE Pa., on West Branch Brandywine Creek (near source); 39°58'N 75°49'W. Mfg., esp. steel- (has steel plant) and paper-related. Agr. area (grain, soybeans, apples, vegetables; poultry, livestock; dairying). Marsh Creek Reservoir and State Park to NE; Embreeville State Hospital to SE; Chester Co. Carlson Airport to W. Settled c.1717; inc. as a city 1916.
