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Idaho
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Biggest US Cities
Most Businesses In Idaho By County
Including Small Businesses (IE, Total Firms)
Rank
County
Businesses
1
Ada County, Idaho
42,344
2
Kootenai County, Idaho
15,155
3
Canyon County, Idaho
14,561
4
Bonneville County, Idaho
10,995
5
Twin Falls County, Idaho
7,234
6
Bannock County, Idaho
6,616
7
Bonner County, Idaho
5,642
8
Blaine County, Idaho
4,416
9
Latah County, Idaho
3,444
10
Nez Perce County, Idaho
3,205
11
Bingham County, Idaho
3,193
12
Madison County, Idaho
2,942
13
Jefferson County, Idaho
2,929
14
Cassia County, Idaho
2,218
15
Payette County, Idaho
2,215
16
Valley County, Idaho
2,058
17
Elmore County, Idaho
1,852
18
Minidoka County, Idaho
1,796
19
Gem County, Idaho
1,753
20
Jerome County, Idaho
1,719
21
Idaho County, Idaho
1,617
22
Teton County, Idaho
1,459
23
Fremont County, Idaho
1,438
24
Shoshone County, Idaho
1,217
25
Gooding County, Idaho
1,141
26
Boundary County, Idaho
1,133
27
Franklin County, Idaho
1,047
28
Lemhi County, Idaho
1,013
29
Owyhee County, Idaho
999
30
Washington County, Idaho
992
31
Clearwater County, Idaho
927
32
Boise County, Idaho
813
33
Bear Lake County, Idaho
645
34
Benewah County, Idaho
596
35
Caribou County, Idaho
511
36
Power County, Idaho
493
37
Adams County, Idaho
492
38
Lewis County, Idaho
438
39
Lincoln County, Idaho
383
40
Custer County, Idaho
318
41
Clark County, Idaho
112
42
Butte County, Idaho
95
43
Camas County, Idaho
73
44
Oneida County, Idaho
0
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Race Lists
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Highest Land Area
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Highest Population Density
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• Last updated: Jan 2, 2025