Erie County is the northernmost county in the Commonwealth of Pennsylvania. As of the 2025 census estimate, the population was 265,832. Its county seat is Erie. The county was created in 1800 and later organized in 1803. The county is part of the Northwest region of the commonwealth.
- Country
- United States
- Headquarters
- Erie
- Inception
- March 12, 1800
- Website
- http://www.eriecountygov.org, https://eriecountypa.gov