Census 2010: Idaho › Counties

Choose group to compare | Searchable list | Compare Age & gender overview Age breakdown Families & children Households 2010 White 2010 Black 2010 American Indian/Native Alaskan 2010 Asian 2010 Pacific Islander 2010 Other race 2010 Multiple race 2010 Hispanic 2010 Non-Hispanic *Diversity Index Housing units

Idaho by county

County name	2010 total population	2000 total population	Total change since 2000	2010 White population	2010 White percentage	White change since 2000
Ada County	392,365	300,904	30.4%	354,347 4,441 2,610 9,407 861 9,529 11,170 27,905 364,460 25.6% 159,471	90.3% 1.1% 0.7% 2.4% 0.2% 2.4% 2.8% 7.1% 92.9% 18.4% 11,026	26.8% 128.7% 25.2% 80.1% 92.2% 89.6% 65.4% 107.2% 26.8% 6.9%
Canyon County	188,923	131,441	43.7%	156,750 1,077 2,028 1,519 402 21,469 5,678 45,069 143,854 44.2% 69,409	83.0% 0.6% 1.1% 0.8% 0.2% 11.4% 3.0% 23.9% 76.1% 37.6% 5,805	43.5% 155.8% 81.1% 43.8% 128.4% 34.2% 64.8% 84.3% 34.5% 8.4%
Kootenai County	138,494	108,685	27.4%	130,844 416 1,781 961 129 1,041 3,322 5,268 133,226 16.0% 63,177	94.5% 0.3% 1.3% 0.7% 0.1% 0.8% 2.4% 3.8% 96.2% 11.2% 8,977	25.6% 127.3% 33.5% 78.3% 74.3% 61.9% 90.5% 108.4% 25.5% 14.2%
Bonneville County	104,234	82,522	26.3%	94,411 585 790 856 86 5,334 2,172 11,912 92,322 27.3% 39,731	90.6% 0.6% 0.8% 0.8% 0.1% 5.1% 2.1% 11.4% 88.6% 19.0% 3,102	23.3% 45.2% 47.7% 26.8% 53.6% 73.6% 80.1% 108.9% 20.2% 7.8%
Bannock County	82,839	75,565	9.6%	74,401 625 2,619 1,079 188 1,721 2,206 5,587 77,252 26.3% 33,191	89.8% 0.8% 3.2% 1.3% 0.2% 2.1% 2.7% 6.7% 93.3% 20.8% 2,509	7.8% 40.1% 19.2% 44.3% 54.1% 9.8% 47.5% 57.8% 7.3% 7.6%
Twin Falls County	77,230	64,284	20.1%	68,693 342 606 922 83 4,829 1,755 10,570 66,660 31.2% 31,072	88.9% 0.4% 0.8% 1.2% 0.1% 6.3% 2.3% 13.7% 86.3% 23.3% 2,312	15.6% 175.8% 32.6% 89.3% 56.6% 99.5% 35.3% 75.4% 14.4% 7.4%
Bingham County	45,607	41,735	9.3%	36,752 105 2,970 285 36 4,480 979 7,864 37,743 42.6% 16,141	80.6% 0.2% 6.5% 0.6% 0.1% 9.8% 2.1% 17.2% 82.8% 37.9% 1,142	6.8% 50.0% 6.1% 20.8% 176.9% 34.9% 9.4% 41.7% 4.3% 7.1%
Bonner County	40,877	36,835	11.0%	39,261 58 315 184 42 163 854 911 39,966 11.1% 24,669	96.0% 0.1% 0.8% 0.5% 0.1% 0.4% 2.1% 2.2% 97.8% 9.0% 7,569	10.4% 45.0% -2.2% 82.2% 147.1% 5.2% 36.4% 50.8% 10.3% 30.7%
Nez Perce County	39,265	37,410	5.0%	35,390 117 2,206 279 37 261 975 1,109 38,156 21.9% 17,438	90.1% 0.3% 5.6% 0.7% 0.1% 0.7% 2.5% 2.8% 97.2% 18.2% 1,197	3.3% 11.4% 11.0% 13.9% 37.0% 38.8% 63.3% 53.8% 4.0% 6.9%
Madison County	37,536	27,467	36.7%	35,235 185 99 352 55 1,059 551 2,218 35,318 17.1% 11,280	93.9% 0.5% 0.3% 0.9% 0.1% 2.8% 1.5% 5.9% 94.1% 11.8% 669	34.3% 184.6% 10.0% 125.6% 10.0% 72.8% 110.3% 105.8% 33.8% 5.9%
Latah County	37,244	34,935	6.6%	34,557 293 237 781 52 375 949 1,326 35,918 18.1% 15,988	92.8% 0.8% 0.6% 2.1% 0.1% 1.0% 2.5% 3.6% 96.4% 14.0% 1,280	5.3% 42.2% -9.5% 6.7% 57.6% 39.4% 54.1% 79.2% 5.0% 8.0%
Elmore County	27,038	29,130	-7.2%	22,213 733 270 768 105 1,830 1,119 4,118 22,920 42.3% 12,162	82.2% 2.7% 1.0% 2.8% 0.4% 6.8% 4.1% 15.2% 84.8% 35.6% 2,022	-10.7% -22.5% 4.2% 58.4% 94.4% 16.6% 18.2% 17.9% -10.6% 16.6%
Jefferson County	26,140	19,155	36.5%	23,844 52 203 103 23 1,514 401 2,641 23,499 23.3% 8,722	91.2% 0.2% 0.8% 0.4% 0.1% 5.8% 1.5% 10.1% 89.9% 22.1% 576	37.0% -1.9% 128.1% 134.1% 53.3% 17.0% 57.9% 38.5% 36.2% 6.6%
Cassia County	22,952	21,416	7.2%	18,781 64 178 108 16 3,266 539 5,724 17,228 43.1% 8,372	81.8% 0.3% 0.8% 0.5% 0.1% 14.2% 2.3% 24.9% 75.1% 35.5% 706	3.6% 77.8% 4.1% 36.7% 45.5% 26.5% 34.8% 42.6% -1.0% 8.4%
Payette County	22,623	20,578	9.9%	20,053 52 255 189 16 1,419 639 3,363 19,260 33.2% 8,945	88.6% 0.2% 1.1% 0.8% 0.1% 6.3% 2.8% 14.9% 85.1% 27.8% 683	8.0% 147.6% 42.5% 8.0% 166.7% 23.8% 33.4% 37.1% 6.3% 7.6%
Jerome County	22,374	18,342	22.0%	17,904 62 302 76 17 3,532 481 6,929 15,445 48.3% 8,101	80.0% 0.3% 1.3% 0.3% 0.1% 15.8% 2.1% 31.0% 69.0% 33.4% 561	12.2% 47.6% 139.7% 52.0% 88.9% 95.7% 35.5% 120.0% 1.7% 6.9%
Blaine County	21,376	18,991	12.6%	18,157 39 125 183 16 2,530 326 4,272 17,104 36.9% 15,050	84.9% 0.2% 0.6% 0.9% 0.1% 11.8% 1.5% 20.0% 80.0% 23.9% 6,227	5.4% 56.0% 101.6% 31.7% 23.1% 107.0% 9.0% 110.4% 0.8% 41.4%
Minidoka County	20,069	20,174	-0.5%	16,091 77 248 88 1 3,076 488 6,493 13,576 49.6% 7,665	80.2% 0.4% 1.2% 0.4% 0.0% 15.3% 2.4% 32.4% 67.6% 44.0% 495	2.2% 45.3% 39.3% 4.8% -75.0% -14.5% -4.1% 26.4% -9.7% 6.5%
Gem County	16,719	15,181	10.1%	15,616 20 94 84 13 519 373 1,336 15,383 20.7% 7,099	93.4% 0.1% 0.6% 0.5% 0.1% 3.1% 2.2% 8.0% 92.0% 18.3% 604	9.7% 81.8% -15.3% 55.6% 44.4% 8.1% 34.2% 27.2% 8.9% 8.5%
Idaho County	16,267	15,511	4.9%	15,259 42 480 68 7 103 308 421 15,846 15.3% 8,744	93.8% 0.3% 3.0% 0.4% 0.0% 0.6% 1.9% 2.6% 97.4% 12.5% 1,910	4.5% 223.1% 7.1% 70.0% 133.3% -27.0% 15.4% 73.3% 3.8% 21.8%
Gooding County	15,464	14,155	9.2%	12,481 37 127 72 11 2,368 368 4,344 11,120 45.9% 6,093	80.7% 0.2% 0.8% 0.5% 0.1% 15.3% 2.4% 28.1% 71.9% 34.7% 562	0.7% 12.1% 6.7% 118.2% 37.5% 103.1% -7.3% 80.0% -5.3% 9.2%
Fremont County	13,242	11,819	12.0%	11,855 46 93 29 13 1,007 199 1,694 11,548 27.1% 8,531	89.5% 0.3% 0.7% 0.2% 0.1% 7.6% 1.5% 12.8% 87.2% 23.5% 4,095	9.7% 142.1% 55.0% -32.6% 85.7% 43.4% 8.2% 35.0% 9.3% 48.0%
Franklin County	12,786	11,329	12.9%	12,064 28 53 15 7 419 200 838 11,948 16.5% 4,528	94.4% 0.2% 0.4% 0.1% 0.1% 3.3% 1.6% 6.6% 93.4% 12.6% 449	12.0% 133.3% 60.6% -6.2% 40.0% 8.3% 98.0% 41.8% 11.3% 9.9%
Shoshone County	12,765	13,771	-7.3%	12,174 26 183 47 12 68 255 380 12,385 13.4% 7,061	95.4% 0.2% 1.4% 0.4% 0.1% 0.5% 2.0% 3.0% 97.0% 10.7% 1,456	-7.8% 73.3% -12.4% 46.9% 20.0% 0.0% 6.7% 42.9% -8.3% 20.6%
Owyhee County	11,526	10,644	8.3%	8,757 23 495 62 1 1,916 272 2,979 8,547 48.6% 4,781	76.0% 0.2% 4.3% 0.5% 0.0% 16.6% 2.4% 25.8% 74.2% 45.3% 705	7.0% 43.8% 44.7% 24.0% -87.5% 9.1% -6.2% 21.1% 4.4% 14.7%
Boundary County	10,972	9,871	11.2%	10,398 29 189 62 6 58 230 402 10,570 15.6% 5,175	94.8% 0.3% 1.7% 0.6% 0.1% 0.5% 2.1% 3.7% 96.3% 13.7% 754	10.6% 81.2% -5.0% 8.8% -14.3% -31.8% 117.0% 20.0% 10.8% 14.6%
Washington County	10,198	9,977	2.2%	8,835 18 101 91 3 930 220 1,716 8,482 34.5% 4,529	86.6% 0.2% 1.0% 0.9% 0.0% 9.1% 2.2% 16.8% 83.2% 30.6% 495	1.1% 80.0% 53.0% -11.7% -57.1% 14.1% -6.4% 25.1% -1.4% 10.9%
Teton County	10,170	5,999	69.5%	8,709 25 35 48 12 1,193 148 1,721 8,449 32.3% 5,478	85.6% 0.2% 0.3% 0.5% 0.1% 11.7% 1.5% 16.9% 83.1% 24.0% 1,827	59.0% 150.0% 6.1% 336.4% -14.3% 195.3% 202.0% 144.1% 59.6% 33.4%
Valley County	9,862	7,651	28.9%	9,445 11 68 41 1 154 142 386 9,476 12.5% 11,789	95.8% 0.1% 0.7% 0.4% 0.0% 1.6% 1.4% 3.9% 96.1% 8.6% 7,396	28.0% 266.7% 28.3% 78.3% -66.7% 83.3% 32.7% 157.3% 26.3% 62.7%
Benewah County	9,285	9,171	1.2%	8,039 28 809 27 6 44 332 235 9,050 27.3% 4,629	86.6% 0.3% 8.7% 0.3% 0.1% 0.5% 3.6% 2.5% 97.5% 22.6% 792	-1.1% 154.5% -1.3% 92.9% 20.0% 91.3% 98.8% 65.5% 0.2% 17.1%
Clearwater County	8,761	8,930	-1.9%	8,225 18 194 61 9 73 181 268 8,493 15.6% 4,453	93.9% 0.2% 2.2% 0.7% 0.1% 0.8% 2.1% 3.1% 96.9% 12.2% 793	-2.9% 38.5% 7.2% 84.8% 80.0% 30.4% 3.4% 62.4% -3.1% 17.8%
Lemhi County	7,936	7,806	1.7%	7,654 18 57 30 3 44 130 181 7,755 10.1% 4,729	96.4% 0.2% 0.7% 0.4% 0.0% 0.6% 1.6% 2.3% 97.7% 9.2% 1,153	1.5% 125.0% 21.3% 114.3% 0.0% -26.7% -0.8% 6.5% 1.6% 24.4%
Power County	7,817	7,538	3.7%	5,867 22 179 32 7 1,523 187 2,328 5,489 49.4% 2,944	75.1% 0.3% 2.3% 0.4% 0.1% 19.5% 2.4% 29.8% 70.2% 41.3% 303	-7.1% 214.3% -27.8% 33.3% 133.3% 82.0% 79.8% 42.1% -7.0% 10.3%
Boise County	7,028	6,670	5.4%	6,703 15 55 29 5 58 163 249 6,779 13.8% 5,292	95.4% 0.2% 0.8% 0.4% 0.1% 0.8% 2.3% 3.5% 96.5% 13.0% 2,318	5.5% 87.5% -11.3% 45.0% -28.6% -33.3% 21.6% 9.2% 5.2% 43.8%
Caribou County	6,963	7,304	-4.7%	6,637 4 23 15 15 163 106 336 6,627 13.5% 3,226	95.3% 0.1% 0.3% 0.2% 0.2% 2.3% 1.5% 4.8% 95.2% 10.7% 620	-5.5% 0.0% 53.3% 150.0% 66.7% 1.2% 21.8% 16.3% -5.5% 19.2%
Bear Lake County	5,986	6,411	-6.6%	5,767 6 29 22 1 97 64 216 5,770 10.8% 3,914	96.3% 0.1% 0.5% 0.4% 0.0% 1.6% 1.1% 3.6% 96.4% 7.1% 1,633	-7.9% 0.0% -14.7% 340.0% -66.7% 40.6% 93.9% 40.3% -7.8% 41.7%
Lincoln County	5,208	4,044	28.8%	4,171 19 38 20 3 844 113 1,476 3,732 45.7% 1,976	80.1% 0.4% 0.7% 0.4% 0.1% 16.2% 2.2% 28.3% 71.7% 30.0% 271	19.3% 0.0% -22.4% 11.1% 50.0% 121.5% 44.9% 172.3% 6.6% 13.7%
Custer County	4,368	4,342	0.6%	4,209 8 27 10 4 66 44 176 4,192 11.7% 3,103	96.4% 0.2% 0.6% 0.2% 0.1% 1.5% 1.0% 4.0% 96.0% 10.9% 1,167	-0.4% n/a 12.5% 900.0% 300.0% 29.4% 7.3% -3.8% 0.8% 37.6%
Oneida County	4,286	4,125	3.9%	4,144 9 22 20 1 46 44 126 4,160 9.9% 1,906	96.7% 0.2% 0.5% 0.5% 0.0% 1.1% 1.0% 2.9% 97.1% 6.7% 361	3.0% 80.0% 69.2% 233.3% -66.7% -17.9% 120.0% 32.6% 3.2% 18.9%
Adams County	3,976	3,476	14.4%	3,821 5 39 16 2 26 67 94 3,882 10.7% 2,636	96.1% 0.1% 1.0% 0.4% 0.1% 0.7% 1.7% 2.4% 97.6% 8.4% 888	14.2% 150.0% -20.4% 220.0% 100.0% -18.8% 67.5% 74.1% 13.4% 33.7%
Lewis County	3,821	3,747	2.0%	3,450 14 180 17 5 63 92 128 3,693 21.0% 1,880	90.3% 0.4% 4.7% 0.4% 0.1% 1.6% 2.4% 3.3% 96.7% 16.4% 223	-0.1% 7.7% 25.0% 6.2% 66.7% 80.0% 13.6% 80.3% 0.5% 11.9%
Butte County	2,891	2,899	-0.3%	2,761 6 13 5 5 59 42 119 2,772 12.5% 1,354	95.5% 0.2% 0.4% 0.2% 0.2% 2.0% 1.5% 4.1% 95.9% 13.4% 225	0.6% -25.0% -35.0% -28.6% n/a -14.5% -17.6% -0.8% -0.3% 16.6%
Camas County	1,117	991	12.7%	1,051 3 6 1 0 20 36 75 1,042 19.7% 831	94.1% 0.3% 0.5% 0.1% 0.0% 1.8% 3.2% 6.7% 93.3% 17.4% 344	11.5% -75.0% 100.0% -50.0% n/a 122.2% 63.6% 36.4% 11.3% 41.4%
Clark County	982	1,022	-3.9%	711 7 10 5 0 234 15 398 584 53.2% 531	72.4% 0.7% 1.0% 0.5% 0.0% 23.8% 1.5% 40.5% 59.5% 48.3% 186	-6.2% 600.0% 0.0% 150.0% -100.0% -2.5% 50.0% 13.7% -13.1% 35.0%

County name	Total households	Husband/wife with children	Husband/wife no children	Single male with children	Single male living alone	Single female with children	Single female living alone
Ada County	148,445	24.3%	28.1%	2.7%	11.1%	6.3%	14.0%
Canyon County	63,604	27.4%	29.3%	3.5%	8.9%	7.7%	11.2%
Kootenai County	54,200	20.9%	33.1%	3.0%	10.6%	6.1%	13.7%
Bonneville County	36,629	28.5%	30.3%	2.6%	10.5%	6.5%	11.9%
Bannock County	30,682	23.1%	29.1%	2.9%	12.0%	6.4%	12.9%
Twin Falls County	28,760	23.1%	31.0%	2.7%	10.7%	6.3%	13.7%
Bingham County	14,999	29.8%	32.6%	3.0%	8.6%	6.1%	9.9%
Bonner County	17,100	16.9%	38.3%	2.8%	13.3%	4.8%	12.7%
Nez Perce County	16,241	16.5%	32.3%	2.6%	13.3%	6.0%	15.3%
Madison County	10,611	33.6%	34.0%	0.9%	4.2%	2.5%	6.0%
Latah County	14,708	18.1%	28.2%	2.0%	14.4%	3.8%	13.9%
Elmore County	10,140	26.4%	30.2%	2.7%	12.7%	6.7%	11.1%
Jefferson County	8,146	37.5%	33.0%	2.3%	7.0%	4.6%	8.1%
Cassia County	7,666	29.8%	31.1%	2.9%	9.6%	5.6%	11.8%
Payette County	8,262	23.7%	33.7%	3.2%	9.7%	6.2%	12.4%
Jerome County	7,540	28.5%	30.3%	3.9%	9.6%	6.1%	10.7%
Blaine County	8,823	22.5%	29.3%	2.7%	14.7%	5.3%	14.1%
Minidoka County	7,170	25.2%	34.6%	3.0%	9.8%	5.3%	12.2%
Gem County	6,495	19.9%	37.1%	2.5%	10.7%	4.9%	13.6%
Idaho County	6,834	15.9%	39.8%	2.4%	15.6%	3.7%	13.0%
Gooding County	5,531	25.4%	31.0%	3.2%	11.5%	5.6%	12.7%
Fremont County	4,436	29.4%	36.5%	2.3%	10.4%	4.3%	9.4%
Franklin County	4,079	35.6%	35.0%	1.7%	8.9%	4.0%	9.0%
Shoshone County	5,605	14.5%	34.0%	3.1%	15.8%	4.9%	15.5%
Owyhee County	4,076	25.2%	32.1%	2.7%	12.8%	5.4%	10.2%
Boundary County	4,421	19.5%	35.5%	2.9%	14.1%	4.6%	13.3%
Washington County	4,034	18.6%	36.3%	2.6%	12.2%	5.5%	13.6%
Teton County	3,651	31.0%	28.0%	2.4%	12.8%	4.2%	9.1%
Valley County	4,393	16.4%	39.4%	2.3%	16.2%	4.0%	11.7%
Benewah County	3,837	16.6%	36.2%	3.0%	14.8%	5.5%	12.5%
Clearwater County	3,660	13.8%	40.9%	2.3%	16.0%	3.9%	13.4%
Lemhi County	3,576	14.7%	38.0%	2.0%	17.4%	4.2%	14.3%
Power County	2,641	27.0%	33.6%	3.1%	10.8%	6.3%	9.0%
Boise County	2,974	16.3%	43.3%	2.3%	16.3%	3.6%	9.0%
Caribou County	2,606	26.7%	37.6%	2.3%	10.6%	3.8%	12.4%
Bear Lake County	2,281	23.8%	39.5%	1.4%	11.7%	3.8%	12.2%
Lincoln County	1,705	31.3%	29.5%	3.5%	11.0%	4.4%	9.5%
Custer County	1,936	16.8%	38.8%	2.3%	17.7%	3.3%	12.4%
Oneida County	1,545	28.5%	37.4%	1.5%	11.3%	3.8%	11.3%
Adams County	1,748	14.5%	44.1%	2.2%	16.2%	3.5%	10.6%
Lewis County	1,657	15.5%	35.2%	2.7%	15.6%	4.6%	17.1%
Butte County	1,129	22.9%	35.9%	1.9%	15.1%	4.6%	11.2%
Camas County	487	18.3%	38.0%	3.7%	18.3%	3.3%	10.1%
Clark County	345	27.8%	29.6%	3.2%	13.3%	5.5%	11.0%

County name	Family households	Family households %	Families with kids	Families with kids %	Non-family households	Non-family households %	Households with seniors	Households with seniors %
Ada County	99,282	66.9%	49,312	33.2%	49,163	33.1%	29,553	19.9%
Canyon County	47,481	74.7%	24,577	38.6%	16,123	25.3%	14,563	22.9%
Kootenai County	37,316	68.8%	16,258	30.0%	16,884	31.2%	14,256	26.3%
Bonneville County	26,787	73.1%	13,743	37.5%	9,842	26.9%	8,001	21.8%
Bannock County	20,836	67.9%	9,948	32.4%	9,846	32.1%	6,603	21.5%
Twin Falls County	19,954	69.4%	9,238	32.1%	8,806	30.6%	7,613	26.5%
Bingham County	11,731	78.2%	5,830	38.9%	3,268	21.8%	3,650	24.3%
Bonner County	11,591	67.8%	4,187	24.5%	5,509	32.2%	4,986	29.2%
Nez Perce County	10,331	63.6%	4,074	25.1%	5,910	36.4%	4,811	29.6%
Madison County	7,887	74.3%	3,927	37.0%	2,724	25.7%	1,429	13.5%
Latah County	8,241	56.0%	3,504	23.8%	6,467	44.0%	2,737	18.6%
Elmore County	7,135	70.4%	3,631	35.8%	3,005	29.6%	2,010	19.8%
Jefferson County	6,698	82.2%	3,617	44.4%	1,448	17.8%	1,748	21.5%
Cassia County	5,758	75.1%	2,936	38.3%	1,908	24.9%	2,056	26.8%
Payette County	6,017	72.8%	2,738	33.1%	2,245	27.2%	2,470	29.9%
Jerome County	5,656	75.0%	2,897	38.4%	1,884	25.0%	1,818	24.1%
Blaine County	5,575	63.2%	2,683	30.4%	3,248	36.8%	1,822	20.7%
Minidoka County	5,315	74.1%	2,401	33.5%	1,855	25.9%	2,118	29.5%
Gem County	4,611	71.0%	1,770	27.3%	1,884	29.0%	2,222	34.2%
Idaho County	4,536	66.4%	1,499	21.9%	2,298	33.6%	2,438	35.7%
Gooding County	3,927	71.0%	1,891	34.2%	1,604	29.0%	1,698	30.7%
Fremont County	3,436	77.5%	1,599	36.0%	1,000	22.5%	1,264	28.5%
Franklin County	3,259	79.9%	1,687	41.4%	820	20.1%	1,055	25.9%
Shoshone County	3,511	62.6%	1,264	22.6%	2,094	37.4%	1,855	33.1%
Owyhee County	2,954	72.5%	1,358	33.3%	1,122	27.5%	1,128	27.7%
Boundary County	2,976	67.3%	1,194	27.0%	1,445	32.7%	1,343	30.4%
Washington County	2,803	69.5%	1,076	26.7%	1,231	30.5%	1,443	35.8%
Teton County	2,509	68.7%	1,371	37.6%	1,142	31.3%	493	13.5%
Valley County	2,870	65.3%	996	22.7%	1,523	34.7%	1,136	25.9%
Benewah County	2,571	67.0%	965	25.1%	1,266	33.0%	1,220	31.8%
Clearwater County	2,397	65.5%	731	20.0%	1,263	34.5%	1,374	37.5%
Lemhi County	2,267	63.4%	749	20.9%	1,309	36.6%	1,253	35.0%
Power County	2,019	76.4%	963	36.5%	622	23.6%	680	25.7%
Boise County	2,051	69.0%	659	22.2%	923	31.0%	825	27.7%
Caribou County	1,936	74.3%	855	32.8%	670	25.7%	764	29.3%
Bear Lake County	1,661	72.8%	664	29.1%	620	27.2%	755	33.1%
Lincoln County	1,271	74.5%	668	39.2%	434	25.5%	407	23.9%
Custer County	1,244	64.3%	435	22.5%	692	35.7%	600	31.0%
Oneida County	1,161	75.1%	522	33.8%	384	24.9%	471	30.5%
Adams County	1,185	67.8%	353	20.2%	563	32.2%	592	33.9%
Lewis County	1,041	62.8%	378	22.8%	616	37.2%	612	36.9%
Butte County	788	69.8%	333	29.5%	341	30.2%	357	31.6%
Camas County	326	66.9%	123	25.3%	161	33.1%	134	27.5%
Clark County	243	70.4%	126	36.5%	102	29.6%	94	27.2%

County name	Under 10	10-19	20-29	30-39	40-49	50-59	60-69	70-79	80 plus
Ada County	14.9%	14.1%	14.0%	14.4%	14.2%	12.9%	8.5%	4.1%	2.9%
Canyon County	18.1%	16.4%	13.1%	13.8%	12.3%	10.9%	8.2%	4.3%	2.8%
Kootenai County	13.3%	14.2%	12.0%	12.0%	13.5%	14.2%	11.1%	6.1%	3.6%
Bonneville County	18.7%	15.2%	13.5%	13.2%	11.9%	12.0%	8.0%	4.4%	3.1%
Bannock County	16.2%	14.6%	17.1%	12.7%	11.0%	12.3%	8.4%	4.7%	3.0%
Twin Falls County	15.9%	14.4%	13.9%	12.4%	11.8%	12.5%	9.2%	5.9%	4.0%
Bingham County	19.0%	16.7%	12.0%	12.2%	11.6%	12.4%	8.2%	5.0%	2.9%
Bonner County	11.1%	12.6%	8.7%	10.7%	13.2%	18.1%	14.6%	7.1%	3.8%
Nez Perce County	11.6%	13.1%	13.3%	11.0%	12.8%	14.1%	11.1%	7.3%	5.8%
Madison County	16.2%	19.1%	37.0%	7.7%	6.2%	6.0%	3.8%	2.3%	1.5%
Latah County	10.6%	15.7%	26.2%	10.6%	10.2%	11.6%	8.2%	4.1%	2.8%
Elmore County	17.0%	14.0%	19.0%	12.7%	12.4%	11.0%	7.2%	4.6%	2.2%
Jefferson County	20.8%	17.3%	11.9%	13.4%	11.5%	11.1%	7.5%	4.3%	2.2%
Cassia County	19.0%	17.1%	11.5%	11.9%	11.3%	11.7%	8.5%	5.3%	3.7%
Payette County	15.6%	15.7%	10.6%	11.7%	12.9%	12.6%	10.5%	6.9%	3.5%
Jerome County	18.2%	15.8%	13.7%	12.4%	12.2%	12.0%	8.3%	4.8%	2.7%
Blaine County	13.8%	12.2%	10.0%	13.3%	15.3%	16.7%	11.8%	4.6%	2.1%
Minidoka County	16.0%	16.2%	11.4%	11.1%	11.8%	13.4%	9.7%	6.0%	4.3%
Gem County	13.0%	14.0%	9.4%	10.0%	13.5%	14.9%	12.5%	7.7%	5.0%
Idaho County	10.7%	12.3%	8.5%	9.0%	12.4%	17.6%	15.6%	9.0%	4.9%
Gooding County	16.8%	15.6%	12.0%	12.1%	12.0%	11.6%	9.6%	6.3%	4.1%
Fremont County	17.5%	16.4%	11.7%	11.4%	11.7%	12.3%	9.7%	6.0%	3.2%
Franklin County	19.6%	18.1%	10.3%	12.7%	11.1%	11.2%	7.8%	5.3%	3.8%
Shoshone County	10.6%	12.6%	8.5%	10.4%	13.6%	16.6%	14.0%	8.7%	4.9%
Owyhee County	15.8%	16.0%	10.7%	12.5%	12.3%	13.0%	10.4%	6.0%	3.2%
Boundary County	13.0%	14.6%	8.7%	10.6%	12.5%	16.3%	13.5%	6.8%	3.9%
Washington County	12.4%	14.7%	8.4%	10.5%	11.8%	14.5%	13.2%	8.7%	5.6%
Teton County	18.2%	13.4%	12.4%	18.8%	14.9%	11.6%	6.5%	2.7%	1.5%
Valley County	10.5%	10.8%	8.1%	12.1%	13.4%	19.7%	15.7%	6.9%	2.9%
Benewah County	12.7%	13.3%	8.7%	9.7%	13.3%	16.5%	14.0%	8.1%	3.7%
Clearwater County	8.9%	11.0%	8.5%	9.7%	13.9%	17.0%	16.0%	9.9%	5.1%
Lemhi County	10.3%	11.3%	7.7%	8.7%	12.4%	17.8%	17.7%	8.9%	5.2%
Power County	17.7%	16.3%	12.0%	11.6%	11.9%	13.2%	9.1%	5.5%	2.6%
Boise County	10.2%	13.4%	5.7%	9.6%	14.0%	21.8%	16.8%	6.5%	2.0%
Caribou County	16.2%	14.7%	9.7%	11.9%	11.7%	14.4%	10.6%	6.8%	3.9%
Bear Lake County	14.6%	15.0%	8.8%	11.2%	11.2%	14.4%	12.3%	7.7%	5.0%
Lincoln County	18.3%	16.8%	12.0%	13.3%	11.8%	12.0%	8.1%	4.5%	3.1%
Custer County	9.6%	11.7%	8.1%	11.0%	13.4%	19.0%	15.7%	7.6%	4.0%
Oneida County	16.5%	15.7%	8.2%	10.6%	11.6%	14.7%	10.5%	7.2%	5.0%
Adams County	9.6%	11.4%	7.4%	9.2%	12.5%	19.8%	17.2%	9.4%	3.6%
Lewis County	12.7%	11.3%	9.2%	8.1%	12.1%	17.2%	14.5%	9.9%	4.9%
Butte County	14.8%	15.3%	7.9%	10.3%	11.5%	15.8%	12.4%	7.7%	4.3%
Camas County	12.1%	11.0%	8.9%	13.2%	14.4%	16.2%	15.3%	5.7%	3.1%
Clark County	17.8%	15.4%	13.5%	11.3%	12.5%	11.4%	9.2%	6.8%	2.0%

County name	Total population	Median age	Male total	Male percentage	Female total	Female percentage
Ada County	392,365	34.8	196,501	50.1%	195,864	49.9%
Canyon County	188,923	31.6	93,506	49.5%	95,417	50.5%
Kootenai County	138,494	38.9	68,257	49.3%	70,237	50.7%
Bonneville County	104,234	31.7	51,996	49.9%	52,238	50.1%
Bannock County	82,839	31.4	41,298	49.9%	41,541	50.1%
Twin Falls County	77,230	34.4	38,115	49.4%	39,115	50.6%
Bingham County	45,607	31.8	22,885	50.2%	22,722	49.8%
Bonner County	40,877	45.8	20,592	50.4%	20,285	49.6%
Nez Perce County	39,265	40.8	19,468	49.6%	19,797	50.4%
Madison County	37,536	22.6	18,186	48.4%	19,350	51.6%
Latah County	37,244	28.3	19,163	51.5%	18,081	48.5%
Elmore County	27,038	30	13,971	51.7%	13,067	48.3%
Jefferson County	26,140	30	13,114	50.2%	13,026	49.8%
Cassia County	22,952	32	11,612	50.6%	11,340	49.4%
Payette County	22,623	37.2	11,191	49.5%	11,432	50.5%
Jerome County	22,374	31.7	11,429	51.1%	10,945	48.9%
Blaine County	21,376	40.4	10,886	50.9%	10,490	49.1%
Minidoka County	20,069	35.3	10,154	50.6%	9,915	49.4%
Gem County	16,719	42.9	8,283	49.5%	8,436	50.5%
Idaho County	16,267	48	8,492	52.2%	7,775	47.8%
Gooding County	15,464	34.3	7,999	51.7%	7,465	48.3%
Fremont County	13,242	33.5	6,963	52.6%	6,279	47.4%
Franklin County	12,786	31.5	6,486	50.7%	6,300	49.3%
Shoshone County	12,765	46.2	6,424	50.3%	6,341	49.7%
Owyhee County	11,526	36	5,895	51.1%	5,631	48.9%
Boundary County	10,972	42.8	5,549	50.6%	5,423	49.4%
Washington County	10,198	43.6	5,017	49.2%	5,181	50.8%
Teton County	10,170	33.2	5,321	52.3%	4,849	47.7%
Valley County	9,862	46.9	5,107	51.8%	4,755	48.2%
Benewah County	9,285	44.8	4,732	51.0%	4,553	49.0%
Clearwater County	8,761	49	4,739	54.1%	4,022	45.9%
Lemhi County	7,936	49.7	4,049	51.0%	3,887	49.0%
Power County	7,817	33.2	4,025	51.5%	3,792	48.5%
Boise County	7,028	48.4	3,671	52.2%	3,357	47.8%
Caribou County	6,963	37.7	3,509	50.4%	3,454	49.6%
Bear Lake County	5,986	40.5	2,972	49.6%	3,014	50.4%
Lincoln County	5,208	32	2,691	51.7%	2,517	48.3%
Custer County	4,368	48	2,318	53.1%	2,050	46.9%
Oneida County	4,286	39.1	2,191	51.1%	2,095	48.9%
Adams County	3,976	50	2,041	51.3%	1,935	48.7%
Lewis County	3,821	48	1,916	50.1%	1,905	49.9%
Butte County	2,891	41.7	1,485	51.4%	1,406	48.6%
Camas County	1,117	44.3	582	52.1%	535	47.9%
Clark County	982	32.7	543	55.3%	439	44.7%

* The USA TODAY Diversity Index represents the probability that two people from this area will have different ethnic backgrounds. A higher number reflects a more ethnically diverse population.