Counties in Idaho

Browse the list below to find detailed maps and geographic information for counties in Idaho.

ID

Boise County

7,610 People
ID

Boundary County

12,056 People
ID

Gem County

19,123 People
ID

Jefferson County

30,891 People
ID

Latah County

39,517 People
ID

Minidoka County

21,613 People
ID

Teton County

11,630 People
ID

Ada County

494,967 People
ID

Adams County

4,379 People
ID

Benewah County

9,530 People
ID

Bonner County

47,110 People
ID

Bonneville County

123,964 People
ID

Oneida County

4,564 People
ID

Power County

7,878 People
ID

Shoshone County

13,169 People
ID

Twin Falls County

90,046 People
ID

Butte County

2,574 People
ID

Camas County

1,077 People
ID

Caribou County

7,027 People
ID

Clark County

790 People
ID

Franklin County

14,194 People
ID

Fremont County

13,388 People
ID

Gooding County

15,598 People
ID

Jerome County

24,237 People
ID

Kootenai County

171,362 People
ID

Lewis County

3,533 People
ID

Madison County

52,913 People
ID

Nez Perce County

42,090 People
ID

Bannock County

87,018 People
ID

Canyon County

231,105 People
ID

Elmore County

28,666 People
ID

Lincoln County

5,127 People
ID

Payette County

25,386 People
ID

Owyhee County

11,913 People
ID

Valley County

11,746 People
ID

Washington County

10,500 People
ID

Cassia County

24,655 People
ID

Clearwater County

8,734 People
ID

Custer County

4,275 People
ID

Idaho County

16,541 People
ID

Lemhi County

7,974 People
ID

Bear Lake County

6,372 People
ID

Bingham County

47,992 People
ID

Blaine County

24,272 People