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Douglas County Historical First Ancestry Data

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ACS 2010-2014 data

264,862 (88.35%) out of the total population of 299,794 reported first ancestry.

	Douglas County	% of the Total Population	Colorado	U.S.
Arab	2,001	0.67%, see rank	0.39%	0.56%
Czech	2,745	0.92%, see rank	0.70%	0.47%
Danish	3,692	1.23%, see rank	0.82%	0.42%
Dutch	6,082	2.03%, see rank	1.81%	1.40%
English	42,470	14.17%, see rank	10.49%	8.02%
French	12,735	4.25%, see rank	3.48%	3.34%
German	78,588	26.21%, see rank	20.88%	15.03%
Greek	1,754	0.59%, see rank	0.38%	0.41%
Hungarian	1,641	0.55%, see rank	0.39%	0.46%
Irish	45,594	15.21%, see rank	12.04%	10.80%
Italian	21,637	7.22%, see rank	5.10%	5.52%
Norwegian	8,955	2.99%, see rank	2.18%	1.42%
Polish	11,105	3.70%, see rank	2.51%	3.01%
Portuguese	1,129	0.38%, see rank	0.21%	0.44%
Russian	3,523	1.18%, see rank	1.09%	0.92%
Scotch-Irish	4,636	1.55%, see rank	1.27%	0.99%
Scottish	9,562	3.19%, see rank	2.56%	1.72%
Subsaharan African	875	0.29%, see rank	0.73%	0.95%
Swedish	10,455	3.49%, see rank	2.43%	1.27%
Swiss	1,888	0.63%, see rank	0.46%	0.30%
Ukrainian	947	0.32%, see rank	0.25%	0.31%
American	15,595	5.20%, see rank	5.18%	7.12%
Welsh	3,824	1.28%, see rank	0.92%	0.57%

ACS 2008-2012 data

260,617 (90.84%) out of the total population of 286,883 reported first ancestry.

	Douglas County	% of the Total Population	Colorado	U.S.
Arab	1,652	0.58%, see rank	0.36%	0.53%
Czech	2,478	0.86%, see rank	0.73%	0.50%
Danish	3,540	1.23%, see rank	0.90%	0.45%
Dutch	7,430	2.59%, see rank	1.91%	1.51%
English	42,346	14.76%, see rank	11.19%	8.53%
French	13,227	4.61%, see rank	3.75%	3.54%
German	79,165	27.59%, see rank	22.06%	15.79%
Greek	1,781	0.62%, see rank	0.40%	0.42%
Hungarian	1,665	0.58%, see rank	0.42%	0.48%
Irish	46,056	16.05%, see rank	12.52%	11.36%
Italian	20,916	7.29%, see rank	5.22%	5.66%
Norwegian	8,372	2.92%, see rank	2.26%	1.46%
Polish	10,730	3.74%, see rank	2.55%	3.13%
Portuguese	990	0.35%, see rank	0.20%	0.46%
Russian	3,766	1.31%, see rank	1.15%	0.97%
Scotch-Irish	4,303	1.50%, see rank	1.37%	1.07%
Scottish	9,464	3.30%, see rank	2.69%	1.81%
Subsaharan African	646	0.23%, see rank	0.64%	0.93%
Swedish	10,176	3.55%, see rank	2.64%	1.34%
Swiss	1,643	0.57%, see rank	0.48%	0.31%
Ukrainian	804	0.28%, see rank	0.25%	0.31%
American	14,295	4.98%, see rank	4.88%	6.72%
Welsh	3,457	1.21%, see rank	0.93%	0.60%

ACS 2006-2010 data

251,533 (91.99%) out of the total population of 273,440 reported first ancestry.

	Douglas County	% of the Total Population	Colorado	U.S.
Arab	1,010	0.37%, see rank	0.33%	0.50%
Czech	2,733	1.00%, see rank	0.78%	0.53%
Danish	3,494	1.28%, see rank	0.95%	0.48%
Dutch	7,390	2.70%, see rank	1.98%	1.63%
English	40,612	14.85%, see rank	11.90%	9.02%
French	13,622	4.98%, see rank	3.96%	3.77%
German	76,878	28.12%, see rank	22.99%	16.51%
Greek	1,450	0.53%, see rank	0.40%	0.44%
Hungarian	1,562	0.57%, see rank	0.43%	0.51%
Irish	45,609	16.68%, see rank	12.87%	11.76%
Italian	19,571	7.16%, see rank	5.18%	5.78%
Norwegian	8,174	2.99%, see rank	2.34%	1.51%
Polish	9,725	3.56%, see rank	2.54%	3.24%
Portuguese	1,006	0.37%, see rank	0.22%	0.47%
Russian	4,442	1.62%, see rank	1.23%	1.01%
Scotch-Irish	6,639	2.43%, see rank	2.21%	1.72%
Scottish	9,920	3.63%, see rank	2.86%	1.92%
Subsaharan African	800	0.29%, see rank	0.55%	0.91%
Swedish	10,107	3.70%, see rank	2.81%	1.41%
Swiss	1,809	0.66%, see rank	0.52%	0.33%
Ukrainian	828	0.30%, see rank	0.27%	0.31%
American	12,882	4.71%, see rank	4.46%	6.28%
Welsh	3,434	1.26%, see rank	0.96%	0.63%

ACS 2005-2009 data

248,358 (92.17%) out of the total population of 269,451 reported first ancestry.

	Douglas County	% of the Total Population	Colorado	U.S.
Arab	1,028	0.38%, see rank	0.33%	0.50%
Czech	3,075	1.14%, see rank	0.80%	0.54%
Danish	3,557	1.32%, see rank	0.99%	0.49%
Dutch	7,034	2.61%, see rank	2.06%	1.68%
English	40,347	14.97%, see rank	12.26%	9.29%
French	13,523	5.02%, see rank	4.07%	3.90%
German	76,989	28.57%, see rank	23.49%	16.89%
Greek	1,220	0.45%, see rank	0.42%	0.45%
Hungarian	1,516	0.56%, see rank	0.45%	0.52%
Irish	45,157	16.76%, see rank	13.00%	12.01%
Italian	17,066	6.33%, see rank	5.20%	5.91%
Norwegian	8,570	3.18%, see rank	2.40%	1.55%
Polish	9,422	3.50%, see rank	2.56%	3.32%
Portuguese	1,031	0.38%, see rank	0.22%	0.48%
Russian	4,485	1.66%, see rank	1.28%	1.04%
Scotch-Irish	6,637	2.46%, see rank	2.31%	1.77%
Scottish	10,169	3.77%, see rank	2.90%	1.97%
Subsaharan African	1,225	0.45%, see rank	0.55%	0.88%
Swedish	10,692	3.97%, see rank	2.84%	1.45%
Swiss	1,783	0.66%, see rank	0.50%	0.34%
Ukrainian	780	0.29%, see rank	0.27%	0.32%
American	12,463	4.63%, see rank	4.64%	6.43%
Welsh	3,627	1.35%, see rank	0.99%	0.65%

US Census 2000 data

148,333 (84.39%) out of the total population of 175,766 reported first ancestry.

	Douglas County	% of the Total Population	Colorado	U.S.
Arab	525	0.30%, see rank	0.24%	0.36%
Czech	737	0.42%, see rank	0.37%	0.27%
Danish	1,182	0.67%, see rank	0.61%	0.30%
Dutch	2,581	1.47%, see rank	1.12%	0.91%
English	17,099	9.73%, see rank	7.68%	5.91%
French	5,256	2.99%, see rank	2.24%	2.39%
German	33,810	19.24%, see rank	15.70%	10.81%
Greek	884	0.50%, see rank	0.28%	0.34%
Hungarian	496	0.28%, see rank	0.27%	0.32%
Irish	16,246	9.24%, see rank	7.36%	6.85%
Italian	8,742	4.97%, see rank	3.69%	4.59%
Norwegian	4,470	2.54%, see rank	1.83%	1.15%
Polish	4,016	2.28%, see rank	1.56%	2.24%
Portuguese	267	0.15%, see rank	0.11%	0.33%
Russian	1,436	0.82%, see rank	0.69%	0.68%
Scotch-Irish	2,582	1.47%, see rank	1.52%	1.17%
Scottish	4,138	2.35%, see rank	1.70%	1.12%
Subsaharan African	313	0.18%, see rank	0.38%	0.61%
Swedish	4,099	2.33%, see rank	1.72%	0.87%
Swiss	638	0.36%, see rank	0.28%	0.19%
Ukrainian	329	0.19%, see rank	0.19%	0.24%
American	9,299	5.29%, see rank	5.15%	7.33%
Welsh	924	0.53%, see rank	0.49%	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.