Idaho

Population Density
People per square mile, 1990:	12.2
People per square mile, 2000:	15.6

Year	Population		Year	Population		Year	Population
1790	0		1880	32,610		1970	713,015
1800	0		1890	88,548		1980	944,127
1810	0		1900	161,772		1990	1,006,749
1820	0		1910	325,594		2000	1,293,953
1830	0		1920	431,866		2010	1,517,291
1840	0		1930	445,032		2020	1,741,333
1850	0		1940	524,873		2030	1,969,624
1860	0		1950	588,637
1870	14,999		1960	667,191

Population By County

	Census 2000 Population	Change from 1990	Percent Change
IDAHO	1,293,953	287,204	28.5
Ada County	300,904	95,129	46.2
Adams County	3,476	222	6.8
Bannock County	75,565	9,539	14.4
Bear Lake County	6,411	327	5.4
Benewah County	9,171	1,234	15.5
Bingham County	41,735	4,152	11.0
Blaine County	18,991	5,439	40.1
Boise County	6,670	3,161	90.1
Bonner County	36,835	10,213	38.4
Bonneville County	82,522	10,315	14.3
Boundary County	9,871	1,539	18.5
Butte County	2,899	-19	-0.7
Camas County	991	264	36.3
Canyon County	131,441	41,365	45.9
Caribou County	7,304	341	4.9
Cassia County	21,416	1,884	9.6
Clark County	1,022	260	34.1
Clearwater County	8,930	425	5.0
Custer County	4,342	209	5.1
Elmore County	29,130	7,925	37.4
Franklin County	11,329	2,097	22.7
Fremont County	11,819	882	8.1
Gem County	15,181	3,337	28.2
Gooding County	14,155	2,522	21.7
Idaho County	15,511	1,728	12.5
Jefferson County	19,155	2,612	15.8
Jerome County	18,342	3,204	21.2
Kootenai County	108,685	38,890	55.7
Latah County	34,935	4,318	14.1
Lemhi County	7,806	907	13.1
Lewis County	3,747	231	6.6
Lincoln County	4,044	736	22.2
Madison County	27,467	3,793	16.0
Minidoka County	20,174	813	4.2
Nez Perce County	37,410	3,656	10.8
Oneida County	4,125	633	18.1
Owyhee County	10,644	2,252	26.8
Payette County	20,578	4,144	25.2
Power County	7,538	452	6.4
Shoshone County	13,771	-160	-1.1
Teton County	5,999	2,560	74.4
Twin Falls County	64,284	10,704	20.0
Valley County	7,651	1,542	25.2
Washington County	9,977	1,427	16.7

SOURCE: U.S. Bureau of the Census

Also Available: Idaho News

Back to State Index