COUNTY DETAILS
| Year Originated: | 1836 |
| County Road Miles: | 380.25 |
| Number of Parcels: | 14,397 |
| Incorporated Cities or Towns: | Mountain City (2531) |
POPULATION
| 2020 Population: | 17,948 |
| 2020 Population per Square Mile: | 60.03 |
| 2010 Population: | 18,244 |
COUNTY STRUCTURE
| County Structure: | Traditional |
| Development District: | First Tennessee Development District |
| Judicial District: | 1 |
LEGAL AUTHORITY
| Fiscal Procedures Law: | Fiscal Control Acts of 1957 |
| Budgeting Law: | Fiscal Control Acts of 1957 |
| Purchasing Law: | County Purchasing Law of 1957 |
| Private Acts: | Johnson County Private Acts |
| County Mayor | Larry Potter | (423) 727-9696 mayor@johnsoncountytn.gov |
| Hwy Chief Admin Off | Tracy Atwood | (423) 727-7851 |
| Administrator of Elections | Cheri Lipford | (423) 727-8592 |
| Assessor of Property | Matthew Lewis | (423) 727-7692 matthew.lewis@cot.tn.gov |
| Circuit Court Clerk | Melissa Hollaway | (423) 727-9012 ccclerk@johnsoncountytn.gov |
| Clerk & Master | Sherrie Fenner | (423) 727-7853 clerkandmaster@johnsoncountytn.gov |
| County Attorney | Ryan Carroll | (423) 460-3000 Rcarrolllaw@outlook.com |
| County Clerk | Tammie Fenner | (423) 727-9633 Tammie.Fenner@tn.gov |
| Director of Schools | Michelle Simcox | (423) 727-2640 |
| Finance/Budget Director | Russell Robinson | (423) 727-7977 rrobinson@jocoed.net |
| General Sessions Court Judge | Julie Canter | (423) 727-9468 |
| General Sessions Court Judge | Jeffery Lowe | (423) 727-9468 |
| Purchasing Agent | Troy Arnold | (423) 727-7861 purchasing@johnsoncountytn.gov |
| Register of Deeds | Freida May | (423) 727-7841 freida.may@johnsoncountytn.gov |
| Sheriff | Clifton Worley | (423) 727-7761 sheriffcw@johnsoncountysd.org |
| Solid Waste Director | Mike Sumner | (423) 727-6921 emaops@johnsoncountytn.gov |
| Trustee | Lisa Crowder | (423) 727-9062 jocotrustee@gmail.com |
Number of Commissioners: 15
Number of Commission Districts: 7
County Legislative Meeting Information: 7:00 p.m. - 3rd Thursday each month
Number of Commission Districts: 7
County Legislative Meeting Information: 7:00 p.m. - 3rd Thursday each month
| County Commissioner | David Campbell Jr. | |
| County Commissioner | Lester Dunn | |
| County Commissioner | Eric Garland | |
| County Commissioner | Jerry Gentry | gf5afarm@gmail.com |
| County Commissioner | Lee Greever | |
| County Commissioner | James Lowe | |
| County Commissioner | Gary Matheson | |
| County Commissioner | Lawrence McGlamery | |
| County Commissioner | Gina Meade | |
| County Commissioner | Kody Norris | |
| County Commissioner | Danny Pardue | |
| County Commissioner | Fred Phipps | fphipps@johnsoncountytn.gov |
| County Commissioner | Tommy Poore | |
| County Commissioner | Brian Taylor | briantaylor1stdistrict@mail.com |
| County Commissioner | Travis Wilson |
CTAS Consultants
County Government Consultant: Rick Hall
Environmental Consultant: Kim Raia
Assessor Consultant: Gabe Looney
Criminal Justice Consultant: Derrick Woods
Jail Administration Consultant: Jim Hart
Fire Consultant: Marc Alley