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Ada County Historical First Ancestry Data

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ACS 2010-2014 data

308,416 (75.36%) out of the total population of 409,239 reported first ancestry.

	Ada County	% of the Total Population	Idaho	U.S.
Arab	1,041	0.25%, see rank	0.13%	0.56%
Czech	2,562	0.63%, see rank	0.42%	0.47%
Danish	6,114	1.49%, see rank	2.07%	0.42%
Dutch	7,709	1.88%, see rank	2.05%	1.40%
English	62,448	15.26%, see rank	15.96%	8.02%
French	10,816	2.64%, see rank	3.11%	3.34%
German	71,632	17.50%, see rank	18.13%	15.03%
Greek	960	0.23%, see rank	0.25%	0.41%
Hungarian	1,006	0.25%, see rank	0.19%	0.46%
Irish	38,752	9.47%, see rank	9.45%	10.80%
Italian	15,151	3.70%, see rank	3.14%	5.52%
Norwegian	12,502	3.05%, see rank	3.17%	1.42%
Polish	6,593	1.61%, see rank	1.26%	3.01%
Portuguese	1,836	0.45%, see rank	0.41%	0.44%
Russian	2,511	0.61%, see rank	0.52%	0.92%
Scotch-Irish	4,464	1.09%, see rank	1.08%	0.99%
Scottish	13,477	3.29%, see rank	3.07%	1.72%
Subsaharan African	1,513	0.37%, see rank	0.19%	0.95%
Swedish	9,498	2.32%, see rank	2.78%	1.27%
Swiss	2,397	0.59%, see rank	0.73%	0.30%
Ukrainian	863	0.21%, see rank	0.14%	0.31%
American	27,623	6.75%, see rank	9.60%	7.12%
Welsh	4,605	1.13%, see rank	1.30%	0.57%

ACS 2008-2012 data

308,784 (78.18%) out of the total population of 394,961 reported first ancestry.

	Ada County	% of the Total Population	Idaho	U.S.
Arab	927	0.23%, see rank	0.13%	0.53%
Czech	2,260	0.57%, see rank	0.42%	0.50%
Danish	6,554	1.66%, see rank	2.26%	0.45%
Dutch	7,721	1.95%, see rank	2.28%	1.51%
English	57,312	14.51%, see rank	16.47%	8.53%
French	11,607	2.94%, see rank	3.39%	3.54%
German	71,038	17.99%, see rank	19.06%	15.79%
Greek	1,071	0.27%, see rank	0.29%	0.42%
Hungarian	1,232	0.31%, see rank	0.22%	0.48%
Irish	40,969	10.37%, see rank	10.16%	11.36%
Italian	15,020	3.80%, see rank	3.15%	5.66%
Norwegian	12,456	3.15%, see rank	3.23%	1.46%
Polish	6,094	1.54%, see rank	1.32%	3.13%
Portuguese	2,007	0.51%, see rank	0.49%	0.46%
Russian	3,181	0.81%, see rank	0.60%	0.97%
Scotch-Irish	5,256	1.33%, see rank	1.23%	1.07%
Scottish	13,277	3.36%, see rank	3.16%	1.81%
Subsaharan African	1,468	0.37%, see rank	0.15%	0.93%
Swedish	10,112	2.56%, see rank	3.04%	1.34%
Swiss	2,382	0.60%, see rank	0.74%	0.31%
Ukrainian	1,054	0.27%, see rank	0.15%	0.31%
American	30,944	7.83%, see rank	10.21%	6.72%
Welsh	4,729	1.20%, see rank	1.37%	0.60%

ACS 2006-2010 data

315,876 (82.97%) out of the total population of 380,718 reported first ancestry.

	Ada County	% of the Total Population	Idaho	U.S.
Arab	672	0.18%, see rank	0.12%	0.50%
Czech	2,661	0.70%, see rank	0.53%	0.53%
Danish	6,274	1.65%, see rank	2.43%	0.48%
Dutch	7,714	2.03%, see rank	2.39%	1.63%
English	60,479	15.89%, see rank	17.66%	9.02%
French	14,075	3.70%, see rank	3.65%	3.77%
German	74,018	19.44%, see rank	20.30%	16.51%
Greek	1,299	0.34%, see rank	0.31%	0.44%
Hungarian	1,266	0.33%, see rank	0.26%	0.51%
Irish	44,984	11.82%, see rank	10.82%	11.76%
Italian	13,729	3.61%, see rank	3.04%	5.78%
Norwegian	13,503	3.55%, see rank	3.48%	1.51%
Polish	6,298	1.65%, see rank	1.35%	3.24%
Portuguese	2,005	0.53%, see rank	0.52%	0.47%
Russian	3,269	0.86%, see rank	0.61%	1.01%
Scotch-Irish	8,235	2.16%, see rank	2.01%	1.72%
Scottish	14,020	3.68%, see rank	3.43%	1.92%
Subsaharan African	1,462	0.38%, see rank	0.19%	0.91%
Swedish	11,512	3.02%, see rank	3.40%	1.41%
Swiss	2,590	0.68%, see rank	0.84%	0.33%
Ukrainian	1,295	0.34%, see rank	0.18%	0.31%
American	32,827	8.62%, see rank	9.77%	6.28%
Welsh	5,941	1.56%, see rank	1.47%	0.63%

ACS 2005-2009 data

321,181 (87.09%) out of the total population of 368,791 reported first ancestry.

	Ada County	% of the Total Population	Idaho	U.S.
Arab	819	0.22%, see rank	0.14%	0.50%
Czech	2,444	0.66%, see rank	0.51%	0.54%
Danish	6,467	1.75%, see rank	2.43%	0.49%
Dutch	7,958	2.16%, see rank	2.47%	1.68%
English	62,562	16.96%, see rank	18.16%	9.29%
French	14,869	4.03%, see rank	3.84%	3.90%
German	76,991	20.88%, see rank	21.19%	16.89%
Greek	1,216	0.33%, see rank	0.30%	0.45%
Hungarian	1,198	0.32%, see rank	0.25%	0.52%
Irish	46,095	12.50%, see rank	11.13%	12.01%
Italian	14,061	3.81%, see rank	3.06%	5.91%
Norwegian	13,763	3.73%, see rank	3.39%	1.55%
Polish	6,577	1.78%, see rank	1.41%	3.32%
Portuguese	2,182	0.59%, see rank	0.54%	0.48%
Russian	2,920	0.79%, see rank	0.58%	1.04%
Scotch-Irish	8,045	2.18%, see rank	2.07%	1.77%
Scottish	14,168	3.84%, see rank	3.48%	1.97%
Subsaharan African	1,696	0.46%, see rank	0.19%	0.88%
Swedish	11,933	3.24%, see rank	3.51%	1.45%
Swiss	2,424	0.66%, see rank	0.90%	0.34%
Ukrainian	1,360	0.37%, see rank	0.19%	0.32%
American	33,218	9.01%, see rank	9.56%	6.43%
Welsh	6,208	1.68%, see rank	1.61%	0.65%

US Census 2000 data

235,908 (78.40%) out of the total population of 300,904 reported first ancestry.

	Ada County	% of the Total Population	Idaho	U.S.
Arab	488	0.16%, see rank	0.09%	0.36%
Czech	969	0.32%, see rank	0.26%	0.27%
Danish	4,005	1.33%, see rank	1.64%	0.30%
Dutch	4,304	1.43%, see rank	1.40%	0.91%
English	35,459	11.78%, see rank	13.06%	5.91%
French	7,200	2.39%, see rank	2.13%	2.39%
German	42,760	14.21%, see rank	13.37%	10.81%
Greek	778	0.26%, see rank	0.18%	0.34%
Hungarian	492	0.16%, see rank	0.15%	0.32%
Irish	21,510	7.15%, see rank	5.94%	6.85%
Italian	7,716	2.56%, see rank	2.05%	4.59%
Norwegian	8,931	2.97%, see rank	2.68%	1.15%
Polish	2,660	0.88%, see rank	0.73%	2.24%
Portuguese	601	0.20%, see rank	0.24%	0.33%
Russian	1,277	0.42%, see rank	0.27%	0.68%
Scotch-Irish	4,644	1.54%, see rank	1.31%	1.17%
Scottish	7,386	2.45%, see rank	1.96%	1.12%
Subsaharan African	245	0.08%, see rank	0.05%	0.61%
Swedish	6,197	2.06%, see rank	2.22%	0.87%
Swiss	1,443	0.48%, see rank	0.57%	0.19%
Ukrainian	697	0.23%, see rank	0.11%	0.24%
American	23,142	7.69%, see rank	8.35%	7.33%
Welsh	2,809	0.93%, see rank	0.79%	0.31%

* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.