York is a city in York County, Pennsylvania, United States, and its county seat. Located in South Central Pennsylvania, the city's population wa…York is a city in York County, Pennsylvania, United States, and its county seat. Located in South Central Pennsylvania, the city's population was 44,800 at the time of the 2020 census, making it the tenth-most populous city in Pennsylvania. The city has an urban area population of 238,549 people and a metropolitan population of 456,438 people.