Heath District #1
Panhandle
Benewah County (St. Maries)
Bonner County (Sandpoint)
Boundary County (Bonners Ferry)
Kootenai County (Coeur d'Alene)
Shoshone County (Wallace)

Heath Disrict #2
North Central
Clearwater County (Orofino)
Idaho County (Grangeville)
Latah County (Moscow)
Lewis County (Nezperce)
Nez Perce County (Lewiston)

Health District #3
Southwest
Adams County (Council)
Canyon County(Caldwell)
Gem County (Emmett)
Owyhee County (Murphy)
Payette County (Payette)
Washington County (Weiser)

Health District #4
Central
Ada County (Boise)
Boise County (Idaho City)
Elmore County (Mountain Home)
Valley County (Cascade)

Health District #5
South Central
Blaine County (Hailey)
Camas County (Fairfield)
Cassia County (Burley)
Gooding County (Gooding)
Jerome County (Jerome)
Lincoln County (Shoshone)
Minidoka County (Rupert)
Twin Falls County (Twin Falls)

Health District #6
Southeastern
Bear Lake County (Paris)
Bannock County (Pocatello)
Bingham County (Blackfoot)
Butte County (Arco)
Caribou County (Soda Springs)
Franklin County (Preston)
Oneida County (Malad City)
Power County (American Falls)

Health District # 7
Eastern
Bonneville County (Idaho Falls)
Clark County (Dubois)
Custer County (Challis)
Fremont County (St. Anthony)
Jefferson County (Rigby)
Lemhi County (Salmon)
Madison County (Rexburg)
Teton County (Driggs)