Employment - Business establishments Percent of businesses with 1-19 employees (2015) To resort data: click column headings. To download data: click here. County Name 1-19 employees per establishment Rank 1-19 employees per establishment Boise 1 97 Teton 2 96 Valley 3 96 Adams 4 96 Custer 5 96 Lewis 6 95 Boundary 7 95 Benewah 8 95 Fremont 9 94 Gem 10 94 Owyhee 11 94 Lemhi 12 94 Camas 13 94 Butte 14 93 Idaho 15 93 Blaine 16 93 Clark 17 93 Bonner 18 93 Caribou 19 92 Gooding 20 92 Franklin 21 92 Clearwater 22 92 Bear Lake 23 92 Payette 24 91 Shoshone 25 91 Elmore 26 91 Jefferson 27 91 Lincoln 28 91 Washington 29 90 Latah 30 90 Kootenai 31 89 Madison 32 88 Power 33 88 Twin Falls 34 88 Cassia 35 88 Oneida 36 88 Bingham 37 87 Canyon 38 87 Bannock 39 87 Ada 40 86 Jerome 41 86 Minidoka 42 86 Nez Perce 43 86 Bonneville 44 86 Source: 2015: U.S. Bureau of the Census, (http://factfinder.census.gov); - Table CB1500A13 DATE LAST UPDATED: August 28, 2017