A

• Ada County Southwestern
• Adams County Southwestern

B

• Bannock County Southeastern
• Bear Lake County Southeastern
• Benewah County Northern
• Bingham County Southeastern
• Blaine County Central
• Boise County Southwestern
• Bonner County Northern
• Bonneville County Eastern
• Boundary County Northern
• Butte County Central

C

• Camas County Central
• Canyon County Southwestern
• Caribou County Southeastern
• Cassia County South Central
• Clark County Eastern
• Clearwater County Northern
• Custer County Central

E

• Elmore County Southwestern

F

• Franklin County Southeastern
• Fremont County Eastern

G

• Gem County Southwestern
• Gooding County South Central

I

• Idaho County North Central

J

• Jefferson County Eastern
• Jerome County South Central

K

• Kootenai County Northern

L

• Latah County Northern
• Lemhi County Central
• Lewis County North Central
• Lincoln County South Central

M

• Madison County Eastern
• Minidoka County South Central

N

• Nez Perce County North Central

O

• Oneida County Southwestern
• Owyhee County Southeastern

P

• Payette County Southwestern
• Power County Southeastern

S

• Shoshone County Northern

T

• Teton County Eastern
• Twin Falls County South Central

V

• Valley County Southwestern

W

• Washington County Southwestern