The following counties satisfy your query:
| County | Population | County Seat | State | Links |
| Shelby County, AL | 143293 | Columbiana | Alabama | View Public Records for Shelby County, AL |
| Shelby County, IL | 22893 | Shelbyville | Illinois | View Public Records for Shelby County, IL |
| Shelby County, IN | 43445 | Shelbyville | Indiana | View Public Records for Shelby County, IN |
| Shelby County, IA | 13173 | Harlan | Iowa | View Public Records for Shelby County, IA |
| Shelby County, KY | 33337 | Shelbyville | Kentucky | View Public Records for Shelby County, KY |
| Shelby County, MO | 6799 | Shelbyville | Missouri | View Public Records for Shelby County, MO |
| Shelby County, OH | 47910 | Sidney | Ohio | View Public Records for Shelby County, OH |
| Shelby County, TN | 897472 | Memphis | Tennessee | View Public Records for Shelby County, TN |
| Shelby County, TX | 25224 | Center | Texas | View Public Records for Shelby County, TX |