Income and Poverty - Income below 200% poverty level (2021) To resort data: click column headings. To download data: click here. County Name 2011-2015 Rank 2011-2015 Madison 1 47 Washington 2 46 Lewis 3 44 Elmore 4 42 Shoshone 5 42 Power 6 42 Butte 7 41 Minidoka 8 41 Clark 9 41 Benewah 10 41 Gooding 11 40 Jerome 12 39 Idaho 13 38 Valley 14 38 Owyhee 15 37 Cassia 16 37 Lemhi 17 37 Lincoln 18 37 Custer 19 37 Bingham 20 36 Boundary 21 36 Canyon 22 36 Twin Falls 23 35 Jefferson 24 35 Bear Lake 25 35 Camas 26 35 Fremont 27 34 Bannock 28 34 Clearwater 29 34 Latah 30 33 Adams 31 33 Payette 32 33 Bonneville 33 32 Bonner 34 32 Franklin 35 32 Nez Perce 36 31 Gem 37 31 Blaine 38 28 Kootenai 39 28 Teton 40 27 Boise 41 25 Caribou 42 25 Ada 43 23 Oneida 44 23 Source: 1989, 1999, and 2014-2020: U.S. Bureau of the Census, (https://data.census.gov/cedsci/); DATE LAST UPDATED: December 9, 2022.