The following counties satisfy your query:
| County | Population | County Seat | State | Links |
| Erie County, NY | 950265 | Buffalo | New York | View Public Records for Erie County, NY |
| Erie County, OH | 79551 | Sandusky | Ohio | View Public Records for Erie County, OH |
| Erie County, PA | 280843 | Erie | Pennsylvania | View Public Records for Erie County, PA |