The following counties satisfy your query:
| County | Population | County Seat | State | Links |
| Johnson County, AR | 22781 | Clarksville | Arkansas | View Public Records for Johnson County, AR |
| Johnson County, GA | 8560 | Wrightsville | Georgia | View Public Records for Johnson County, GA |
| Johnson County, IL | 12878 | Vienna | Illinois | View Public Records for Johnson County, IL |
| Johnson County, IN | 115209 | Franklin | Indiana | View Public Records for Johnson County, IN |
| Johnson County, IA | 111006 | Iowa City | Iowa | View Public Records for Johnson County, IA |
| Johnson County, KS | 451086 | Olathe | Kansas | View Public Records for Johnson County, KS |
| Johnson County, KY | 23445 | Paintsville | Kentucky | View Public Records for Johnson County, KY |
| Johnson County, MO | 48258 | Warrensburg | Missouri | View Public Records for Johnson County, MO |
| Johnson County, NE | 4488 | Tecumseh | Nebraska | View Public Records for Johnson County, NE |
| Johnson County, TN | 17499 | Mountain City | Tennessee | View Public Records for Johnson County, TN |
| Johnson County, TX | 126811 | Cleburne | Texas | View Public Records for Johnson County, TX |
| Johnson County, WY | 7075 | Buffalo | Wyoming | View Public Records for Johnson County, WY |