Income and Poverty - Poverty rate, overall (2017) To resort data: click column headings. To download data: click here. County Name Poverty rate Rank Poverty rate Madison 1 19.1% Shoshone 2 17.4% Butte 3 16.9% Latah 4 16.5% Lemhi 5 16.1% Owyhee 6 15.9% Washington 7 15.7% Clearwater 8 15.7% Canyon 9 15.5% Boundary 10 15.5% Idaho 11 15.1% Gooding 12 14.9% Custer 13 14.7% Power 14 14.6% Adams 15 14.5% Clark 16 14.5% Lewis 17 14.4% Benewah 18 14.3% Bannock 19 14.2% Minidoka 20 14.1% Bonner 21 13.7% Jerome 22 13.7% Twin Falls 23 13.5% Gem 24 13.5% Fremont 25 13.2% Payette 26 13.0% Elmore 27 12.9% Lincoln 28 12.8% Cassia 29 12.7% Bingham 30 12.5% Boise 31 12.1% Nez Perce 32 12.0% Bear Lake 33 11.7% Oneida 34 11.1% Ada 35 10.8% Kootenai 36 10.6% Bonneville 37 10.5% Camas 38 9.2% Jefferson 39 9.2% Caribou 40 9.1% Blaine 41 8.5% Valley 42 8.5% Teton 43 8.3% Franklin 44 8.2% Source: 1979: U.S. Bureau of the Census, Census of Population and Housing, (https://www.census.gov/programs-surveys/decennial-census/data/tables.1980.html); 1989 and 1999: U.S. Bureau of the Census, Census of Population and Housing, American Factfinder, (http://factfinder2.census.gov/); 2000-2017: U.S. Bureau of the Census, Small Area Income and Poverty Estimates, (https://www.census.gov/data/datasets.html.); DATE LAST UPDATED: December 6, 2018.