York County
Sign in to savecounty in Pennsylvania, United States
AI overview
York County is a county located in Pennsylvania in the northeastern United States. It is historically significant as the site where the Continental Congress met during the American Revolution and remains an important part of Pennsylvania's geography and economy today.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Country
- United States
- State
- Pennsylvania
- Founded
- August 19, 1749
- Named after
- Duke of York
- Seat
- York
- Largest city
- York
- Total
- 911 sq mi (2,360 km )
- Land
- 904 sq mi (2,340 km )
- Water
- 6.5 sq mi (17 km ) 0.7%
- Estimate 2025
- 473,197
- Density
- 505/sq mi (195/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
Article
York County is a county in the Commonwealth of Pennsylvania, United States. As of the 2020 census, the population was 456,438. Its county seat is York. The county was created on August 19, 1749, from part of Lancaster County and named either after the Duke of York, an early patron of the Penn family, or for the city and county of York in England. The county is part of the South Central region of the state.
York County comprises the York-Hanover, Pennsylvania Metropolitan Statistical Area, which is also included in the Harrisburg-York-Lebanon, Pennsylvania combined statistical area. It is in the Susquehanna Valley, a large fertile agricultural region in South Central Pennsylvania.