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Winnebago County Historical First Ancestry Data

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ACS 2010-2014 data

254,628 (87.19%) out of the total population of 292,026 reported first ancestry.

	Winnebago County	% of the Total Population	Illinois	U.S.
Arab	1,042	0.36%, see rank	0.71%	0.56%
Czech	1,511	0.52%, see rank	0.92%	0.47%
Danish	1,474	0.50%, see rank	0.38%	0.42%
Dutch	4,988	1.71%, see rank	1.37%	1.40%
English	22,840	7.82%, see rank	5.90%	8.02%
French	7,959	2.73%, see rank	2.13%	3.34%
German	72,436	24.80%, see rank	19.07%	15.03%
Greek	779	0.27%, see rank	0.76%	0.41%
Hungarian	916	0.31%, see rank	0.40%	0.46%
Irish	37,753	12.93%, see rank	12.00%	10.80%
Italian	21,770	7.45%, see rank	6.14%	5.52%
Norwegian	9,914	3.39%, see rank	1.25%	1.42%
Polish	11,389	3.90%, see rank	7.22%	3.01%
Portuguese	80	0.03%, see rank	0.08%	0.44%
Russian	1,071	0.37%, see rank	0.97%	0.92%
Scotch-Irish	1,948	0.67%, see rank	0.59%	0.99%
Scottish	3,660	1.25%, see rank	1.16%	1.72%
Subsaharan African	1,238	0.42%, see rank	0.64%	0.95%
Swedish	23,161	7.93%, see rank	2.13%	1.27%
Swiss	1,385	0.47%, see rank	0.27%	0.30%
Ukrainian	674	0.23%, see rank	0.40%	0.31%
American	17,896	6.13%, see rank	5.00%	7.12%
Welsh	1,022	0.35%, see rank	0.37%	0.57%

ACS 2008-2012 data

264,453 (89.82%) out of the total population of 294,433 reported first ancestry.

	Winnebago County	% of the Total Population	Illinois	U.S.
Arab	922	0.31%, see rank	0.64%	0.53%
Czech	1,602	0.54%, see rank	0.96%	0.50%
Danish	1,789	0.61%, see rank	0.40%	0.45%
Dutch	5,383	1.83%, see rank	1.46%	1.51%
English	23,977	8.14%, see rank	6.23%	8.53%
French	7,854	2.67%, see rank	2.26%	3.54%
German	75,223	25.55%, see rank	19.89%	15.79%
Greek	734	0.25%, see rank	0.78%	0.42%
Hungarian	683	0.23%, see rank	0.41%	0.48%
Irish	38,476	13.07%, see rank	12.52%	11.36%
Italian	21,770	7.39%, see rank	6.29%	5.66%
Norwegian	10,607	3.60%, see rank	1.30%	1.46%
Polish	11,233	3.82%, see rank	7.47%	3.13%
Portuguese	162	0.06%, see rank	0.08%	0.46%
Russian	1,252	0.43%, see rank	1.03%	0.97%
Scotch-Irish	2,030	0.69%, see rank	0.65%	1.07%
Scottish	3,967	1.35%, see rank	1.20%	1.81%
Subsaharan African	924	0.31%, see rank	0.62%	0.93%
Swedish	24,309	8.26%, see rank	2.24%	1.34%
Swiss	1,460	0.50%, see rank	0.29%	0.31%
Ukrainian	666	0.23%, see rank	0.40%	0.31%
American	24,616	8.36%, see rank	4.85%	6.72%
Welsh	1,266	0.43%, see rank	0.40%	0.60%

ACS 2006-2010 data

270,932 (92.16%) out of the total population of 293,972 reported first ancestry.

	Winnebago County	% of the Total Population	Illinois	U.S.
Arab	884	0.30%, see rank	0.55%	0.50%
Czech	1,633	0.56%, see rank	1.01%	0.53%
Danish	2,079	0.71%, see rank	0.42%	0.48%
Dutch	5,511	1.87%, see rank	1.58%	1.63%
English	24,511	8.34%, see rank	6.56%	9.02%
French	8,438	2.87%, see rank	2.43%	3.77%
German	75,516	25.69%, see rank	20.72%	16.51%
Greek	711	0.24%, see rank	0.83%	0.44%
Hungarian	769	0.26%, see rank	0.43%	0.51%
Irish	39,682	13.50%, see rank	12.94%	11.76%
Italian	21,617	7.35%, see rank	6.35%	5.78%
Norwegian	11,387	3.87%, see rank	1.36%	1.51%
Polish	10,901	3.71%, see rank	7.69%	3.24%
Portuguese	75	0.03%, see rank	0.08%	0.47%
Russian	1,136	0.39%, see rank	1.07%	1.01%
Scotch-Irish	3,193	1.09%, see rank	1.12%	1.72%
Scottish	3,923	1.33%, see rank	1.26%	1.92%
Subsaharan African	582	0.20%, see rank	0.63%	0.91%
Swedish	25,721	8.75%, see rank	2.37%	1.41%
Swiss	1,829	0.62%, see rank	0.33%	0.33%
Ukrainian	524	0.18%, see rank	0.40%	0.31%
American	27,680	9.42%, see rank	4.61%	6.28%
Welsh	1,387	0.47%, see rank	0.41%	0.63%

ACS 2005-2009 data

273,421 (92.43%) out of the total population of 295,803 reported first ancestry.

	Winnebago County	% of the Total Population	Illinois	U.S.
Arab	814	0.28%, see rank	0.52%	0.50%
Czech	1,579	0.53%, see rank	1.02%	0.54%
Danish	2,317	0.78%, see rank	0.44%	0.49%
Dutch	6,156	2.08%, see rank	1.61%	1.68%
English	25,850	8.74%, see rank	6.71%	9.29%
French	8,582	2.90%, see rank	2.51%	3.90%
German	76,982	26.02%, see rank	21.16%	16.89%
Greek	838	0.28%, see rank	0.85%	0.45%
Hungarian	670	0.23%, see rank	0.45%	0.52%
Irish	40,153	13.57%, see rank	13.14%	12.01%
Italian	21,533	7.28%, see rank	6.45%	5.91%
Norwegian	11,960	4.04%, see rank	1.38%	1.55%
Polish	11,195	3.78%, see rank	7.85%	3.32%
Portuguese	95	0.03%, see rank	0.07%	0.48%
Russian	1,244	0.42%, see rank	1.11%	1.04%
Scotch-Irish	3,159	1.07%, see rank	1.15%	1.77%
Scottish	3,810	1.29%, see rank	1.31%	1.97%
Subsaharan African	480	0.16%, see rank	0.62%	0.88%
Swedish	27,536	9.31%, see rank	2.46%	1.45%
Swiss	1,988	0.67%, see rank	0.33%	0.34%
Ukrainian	381	0.13%, see rank	0.40%	0.32%
American	27,247	9.21%, see rank	4.55%	6.43%
Welsh	1,420	0.48%, see rank	0.42%	0.65%

US Census 2000 data

225,116 (80.86%) out of the total population of 278,418 reported first ancestry.

	Winnebago County	% of the Total Population	Illinois	U.S.
Arab	487	0.17%, see rank	0.38%	0.36%
Czech	766	0.28%, see rank	0.57%	0.27%
Danish	1,109	0.40%, see rank	0.26%	0.30%
Dutch	2,442	0.88%, see rank	0.90%	0.91%
English	14,885	5.35%, see rank	4.12%	5.91%
French	4,682	1.68%, see rank	1.34%	2.39%
German	46,967	16.87%, see rank	13.82%	10.81%
Greek	484	0.17%, see rank	0.65%	0.34%
Hungarian	356	0.13%, see rank	0.27%	0.32%
Irish	20,037	7.20%, see rank	7.62%	6.85%
Italian	16,326	5.86%, see rank	4.81%	4.59%
Norwegian	9,221	3.31%, see rank	0.96%	1.15%
Polish	7,065	2.54%, see rank	5.68%	2.24%
Portuguese	44	0.02%, see rank	0.04%	0.33%
Russian	454	0.16%, see rank	0.72%	0.68%
Scotch-Irish	2,150	0.77%, see rank	0.73%	1.17%
Scottish	2,232	0.80%, see rank	0.73%	1.12%
Subsaharan African	1,474	0.53%, see rank	0.57%	0.61%
Swedish	20,611	7.40%, see rank	1.52%	0.87%
Swiss	751	0.27%, see rank	0.17%	0.19%
Ukrainian	312	0.11%, see rank	0.30%	0.24%
American	13,783	4.95%, see rank	4.58%	7.33%
Welsh	682	0.24%, 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.