COUNTY

1932

1933

1934-42

1945-DATE

County seat

ADA

A/1

1 A

1 A

1/A

Boise

ADAMS

A/2

2 A

2 A

2/A

Council

BANNOCK

A/3

3 A

3 A

1/B

Pocatello

BEAR LAKE

A/4

4 A

4 A

2/B

Paris

BENEWAH

A/5

5 A

5 A

3/B

St. Maries

BINGHAM

A/6

6 A

6 A

4/B

Blackfoot

BLAINE

A/7

7 A

7 A

5/B

Hailey

BOISE

A/8

8 A

8 A

6/B

Idaho City

BONNER

A/9

9 A

9 A

7/B

Sandpoint

BONNEVILLE

B/1

1 B

1 P

8/B

Idaho Falls

BOUNDARY

B/2

2 B

2 P

9/B

Bonners Ferry

BUTTE

B/3

3 B

3 P

10/B

Arco

CAMAS

B/4

4 B

4 P

1/C

Fairfield

CANYON

B/5

5 B

5 P

2/C

Caldwell

CARIBOU

B/6

6 B

6 P

3/C

Soda Springs

CASSIA

B/7

7 B

7 P

4/C

Burley

CLARK

B/8

8 B

8 P

5/C

Dubois

CLEARWATER

B/9

9 B

9 P

6/C

Orofino

CUSTER

H/1

1 H

1 H

7/C

Challis

ELMORE

H/2

2 H

2 H

E

Mountain Home

FRANKLIN

H/3

3 H

3 H

1/F

Preston

FREMONT

H/4

4 H

4 H

2/F

St. Anthony

GEM

H/5

5 H

5 H

1/G

Emmett

GOODING

H/6

6 H

6 H

2/G

Gooding

IDAHO

H/7

7 H

7 H

I

Grangeville

JEFFERSON

H/8

8 H

8 H

1/J

Rigby

JEROME

H/9

9 H

9 H

2/J

Jerome

KOOTENAI

K/1

1 K

1 K

K

Coeur d' Alene

LATAH

K/2

2 K

2 K

1/L

Moscow

LEMHI

K/3

3 K

3 K

2/L

Salmon

LEWIS

K/4

4 K

4 K

3/L

Nezperce

LINCOLN

K/5

5 K

5 K

4/L

Shoshone

MADISON

K/6

6 K

6 K

1/M

Rexburg

MINIDOKA

K/7

7 K

7 K

2/M

Rupert

NEZ PERCE

K/8

8 K

8 K

N

Lewiston

ONEIDA

K/9

9 K

9 K

1/O

Malad City

OWYHEE

R/1

1 R

1 R

2/O

Murphy

PAYETTE

R/2

2 R

2 R

1/P

Payette

POWER

R/3

3 R

3 R

2/P

American Falls

SHOSHONE

R/4

4 R

4 R

S

Wallace

TETON

R/5

5 R

5 R

1/T

Driggs

TWIN FALLS

R/6

6 R

6 R

2/T

Twin Falls

VALLEY

R/7

7 R

7 R

V

Cascade

WASHINGTON

R/8

8 R

8 R

W

Weiser