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Rock Island County Historical First Ancestry Data

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ACS 2010-2014 data

120,809 (82.20%) out of the total population of 146,964 reported first ancestry.

	Rock Island County	% of the Total Population	Illinois	U.S.
Arab	339	0.23%, see rank	0.71%	0.56%
Czech	851	0.58%, see rank	0.92%	0.47%
Danish	718	0.49%, see rank	0.38%	0.42%
Dutch	2,447	1.67%, see rank	1.37%	1.40%
English	12,292	8.36%, see rank	5.90%	8.02%
French	4,031	2.74%, see rank	2.13%	3.34%
German	34,568	23.52%, see rank	19.07%	15.03%
Greek	889	0.60%, see rank	0.76%	0.41%
Hungarian	143	0.10%, see rank	0.40%	0.46%
Irish	19,444	13.23%, see rank	12.00%	10.80%
Italian	4,643	3.16%, see rank	6.14%	5.52%
Norwegian	2,205	1.50%, see rank	1.25%	1.42%
Polish	3,154	2.15%, see rank	7.22%	3.01%
Portuguese	52	0.04%, see rank	0.08%	0.44%
Russian	592	0.40%, see rank	0.97%	0.92%
Scotch-Irish	1,194	0.81%, see rank	0.59%	0.99%
Scottish	2,071	1.41%, see rank	1.16%	1.72%
Subsaharan African	1,999	1.36%, see rank	0.64%	0.95%
Swedish	9,270	6.31%, see rank	2.13%	1.27%
Swiss	383	0.26%, see rank	0.27%	0.30%
Ukrainian	170	0.12%, see rank	0.40%	0.31%
American	7,777	5.29%, see rank	5.00%	7.12%
Welsh	587	0.40%, see rank	0.37%	0.57%

ACS 2008-2012 data

123,510 (83.73%) out of the total population of 147,504 reported first ancestry.

	Rock Island County	% of the Total Population	Illinois	U.S.
Arab	441	0.30%, see rank	0.64%	0.53%
Czech	860	0.58%, see rank	0.96%	0.50%
Danish	693	0.47%, see rank	0.40%	0.45%
Dutch	2,793	1.89%, see rank	1.46%	1.51%
English	12,331	8.36%, see rank	6.23%	8.53%
French	4,028	2.73%, see rank	2.26%	3.54%
German	36,078	24.46%, see rank	19.89%	15.79%
Greek	787	0.53%, see rank	0.78%	0.42%
Hungarian	153	0.10%, see rank	0.41%	0.48%
Irish	20,543	13.93%, see rank	12.52%	11.36%
Italian	5,024	3.41%, see rank	6.29%	5.66%
Norwegian	2,178	1.48%, see rank	1.30%	1.46%
Polish	3,278	2.22%, see rank	7.47%	3.13%
Portuguese	39	0.03%, see rank	0.08%	0.46%
Russian	544	0.37%, see rank	1.03%	0.97%
Scotch-Irish	1,427	0.97%, see rank	0.65%	1.07%
Scottish	2,223	1.51%, see rank	1.20%	1.81%
Subsaharan African	1,450	0.98%, see rank	0.62%	0.93%
Swedish	9,344	6.33%, see rank	2.24%	1.34%
Swiss	342	0.23%, see rank	0.29%	0.31%
Ukrainian	131	0.09%, see rank	0.40%	0.31%
American	7,753	5.26%, see rank	4.85%	6.72%
Welsh	712	0.48%, see rank	0.40%	0.60%

ACS 2006-2010 data

126,265 (85.59%) out of the total population of 147,524 reported first ancestry.

	Rock Island County	% of the Total Population	Illinois	U.S.
Arab	389	0.26%, see rank	0.55%	0.50%
Czech	991	0.67%, see rank	1.01%	0.53%
Danish	844	0.57%, see rank	0.42%	0.48%
Dutch	3,042	2.06%, see rank	1.58%	1.63%
English	12,796	8.67%, see rank	6.56%	9.02%
French	4,212	2.86%, see rank	2.43%	3.77%
German	38,396	26.03%, see rank	20.72%	16.51%
Greek	797	0.54%, see rank	0.83%	0.44%
Hungarian	176	0.12%, see rank	0.43%	0.51%
Irish	21,002	14.24%, see rank	12.94%	11.76%
Italian	5,220	3.54%, see rank	6.35%	5.78%
Norwegian	2,268	1.54%, see rank	1.36%	1.51%
Polish	3,231	2.19%, see rank	7.69%	3.24%
Portuguese	44	0.03%, see rank	0.08%	0.47%
Russian	550	0.37%, see rank	1.07%	1.01%
Scotch-Irish	2,578	1.75%, see rank	1.12%	1.72%
Scottish	2,392	1.62%, see rank	1.26%	1.92%
Subsaharan African	1,195	0.81%, see rank	0.63%	0.91%
Swedish	10,093	6.84%, see rank	2.37%	1.41%
Swiss	517	0.35%, see rank	0.33%	0.33%
Ukrainian	43	0.03%, see rank	0.40%	0.31%
American	7,647	5.18%, see rank	4.61%	6.28%
Welsh	632	0.43%, see rank	0.41%	0.63%

ACS 2005-2009 data

126,259 (86.08%) out of the total population of 146,670 reported first ancestry.

	Rock Island County	% of the Total Population	Illinois	U.S.
Arab	393	0.27%, see rank	0.52%	0.50%
Czech	1,106	0.75%, see rank	1.02%	0.54%
Danish	790	0.54%, see rank	0.44%	0.49%
Dutch	3,109	2.12%, see rank	1.61%	1.68%
English	13,588	9.26%, see rank	6.71%	9.29%
French	4,574	3.12%, see rank	2.51%	3.90%
German	39,616	27.01%, see rank	21.16%	16.89%
Greek	804	0.55%, see rank	0.85%	0.45%
Hungarian	244	0.17%, see rank	0.45%	0.52%
Irish	21,832	14.89%, see rank	13.14%	12.01%
Italian	5,478	3.73%, see rank	6.45%	5.91%
Norwegian	2,531	1.73%, see rank	1.38%	1.55%
Polish	3,615	2.46%, see rank	7.85%	3.32%
Portuguese	54	0.04%, see rank	0.07%	0.48%
Russian	395	0.27%, see rank	1.11%	1.04%
Scotch-Irish	2,648	1.81%, see rank	1.15%	1.77%
Scottish	2,563	1.75%, see rank	1.31%	1.97%
Subsaharan African	1,188	0.81%, see rank	0.62%	0.88%
Swedish	10,469	7.14%, see rank	2.46%	1.45%
Swiss	546	0.37%, see rank	0.33%	0.34%
Ukrainian	77	0.05%, see rank	0.40%	0.32%
American	7,594	5.18%, see rank	4.55%	6.43%
Welsh	590	0.40%, see rank	0.42%	0.65%

US Census 2000 data

114,453 (76.62%) out of the total population of 149,374 reported first ancestry.

	Rock Island County	% of the Total Population	Illinois	U.S.
Arab	118	0.08%, see rank	0.38%	0.36%
Czech	443	0.30%, see rank	0.57%	0.27%
Danish	628	0.42%, see rank	0.26%	0.30%
Dutch	1,535	1.03%, see rank	0.90%	0.91%
English	8,297	5.55%, see rank	4.12%	5.91%
French	1,976	1.32%, see rank	1.34%	2.39%
German	26,581	17.79%, see rank	13.82%	10.81%
Greek	578	0.39%, see rank	0.65%	0.34%
Hungarian	253	0.17%, see rank	0.27%	0.32%
Irish	11,841	7.93%, see rank	7.62%	6.85%
Italian	2,874	1.92%, see rank	4.81%	4.59%
Norwegian	1,822	1.22%, see rank	0.96%	1.15%
Polish	1,647	1.10%, see rank	5.68%	2.24%
Portuguese	37	0.02%, see rank	0.04%	0.33%
Russian	232	0.16%, see rank	0.72%	0.68%
Scotch-Irish	1,577	1.06%, see rank	0.73%	1.17%
Scottish	1,429	0.96%, see rank	0.73%	1.12%
Subsaharan African	421	0.28%, see rank	0.57%	0.61%
Swedish	7,540	5.05%, see rank	1.52%	0.87%
Swiss	280	0.19%, see rank	0.17%	0.19%
Ukrainian	98	0.07%, see rank	0.30%	0.24%
American	9,656	6.46%, see rank	4.58%	7.33%
Welsh	511	0.34%, see rank	0.20%	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.