Counties in Idaho, United States

County Name	Population	Water Area Percentage	Land Area Percentage
Ada County, ID	300,904	0.5%	99.5%
Adams County, ID	3,476	0.4%	99.6%
Bannock County, ID	75,565	2.98%	97.02%
Bear Lake County, ID	6,411	7.44%	92.56%
Benewah County, ID	9,171	1.01%	98.99%
Bingham County, ID	41,735	1.2%	98.8%
Blaine County, ID	18,991	0.61%	99.39%
Boise County, ID	6,670	0.23%	99.77%
Bonner County, ID	36,835	9.48%	90.52%
Bonneville County, ID	82,522	1.69%	98.31%
Boundary County, ID	9,871	0.74%	99.26%
Butte County, ID	2,899	0.03%	99.97%
Camas County, ID	991	0.38%	99.62%
Canyon County, ID	131,441	2.28%	97.72%
Caribou County, ID	7,304	1.81%	98.19%
Cassia County, ID	21,416	0.54%	99.46%
Clark County, ID	1,022	0.03%	99.97%
Clearwater County, ID	8,930	1.07%	98.93%
Custer County, ID	4,342	0.23%	99.77%
Elmore County, ID	29,130	0.74%	99.26%
Franklin County, ID	11,329	0.44%	99.56%
Fremont County, ID	11,819	1.52%	98.48%
Gem County, ID	15,181	0.56%	99.44%
Gooding County, ID	14,155	0.42%	99.58%
Idaho County, ID	15,511	0.21%	99.79%
Jefferson County, ID	19,155	0.95%	99.05%
Jerome County, ID	18,342	0.34%	99.66%
Kootenai County, ID	108,685	5.36%	94.64%
Latah County, ID	34,935	0.02%	99.98%
Lemhi County, ID	7,806	0.12%	99.88%
Lewis County, ID	3,747	0.16%	99.84%
Lincoln County, ID	4,044	0.03%	99.97%
Madison County, ID	27,467	0.39%	99.61%
Minidoka County, ID	20,174	0.44%	99.56%
Nez Perce County, ID	37,410	0.85%	99.15%
Oneida County, ID	4,125	0.11%	99.89%
Owyhee County, ID	10,644	0.24%	99.76%
Payette County, ID	20,578	0.65%	99.35%
Power County, ID	7,538	2.57%	97.43%
Shoshone County, ID	13,771	0.06%	99.94%
Teton County, ID	5,999	0.05%	99.95%
Twin Falls County, ID	64,284	0.18%	99.82%
Valley County, ID	7,651	1.5%	98.5%
Washington County, ID	9,977	1.17%	98.83%

State Information	Safety and Environment
Official Site of Idaho State Population: 1,634,464 Idaho Counties	Natural Resource Office