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Lake County Historical First Ancestry Data

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ACS 2010-2014 data

639,858 (91.00%) out of the total population of 703,170 reported first ancestry.

	Lake County	% of the Total Population	Illinois	U.S.
Arab	2,879	0.41%, see rank	0.71%	0.56%
Czech	5,722	0.81%, see rank	0.92%	0.47%
Danish	4,346	0.62%, see rank	0.38%	0.42%
Dutch	7,343	1.04%, see rank	1.37%	1.40%
English	42,180	6.00%, see rank	5.90%	8.02%
French	14,965	2.13%, see rank	2.13%	3.34%
German	133,257	18.95%, see rank	19.07%	15.03%
Greek	7,441	1.06%, see rank	0.76%	0.41%
Hungarian	3,681	0.52%, see rank	0.40%	0.46%
Irish	81,840	11.64%, see rank	12.00%	10.80%
Italian	46,846	6.66%, see rank	6.14%	5.52%
Norwegian	12,694	1.81%, see rank	1.25%	1.42%
Polish	60,688	8.63%, see rank	7.22%	3.01%
Portuguese	561	0.08%, see rank	0.08%	0.44%
Russian	23,993	3.41%, see rank	0.97%	0.92%
Scotch-Irish	3,422	0.49%, see rank	0.59%	0.99%
Scottish	10,076	1.43%, see rank	1.16%	1.72%
Subsaharan African	2,329	0.33%, see rank	0.64%	0.95%
Swedish	18,260	2.60%, see rank	2.13%	1.27%
Swiss	2,382	0.34%, see rank	0.27%	0.30%
Ukrainian	4,606	0.66%, see rank	0.40%	0.31%
American	38,161	5.43%, see rank	5.00%	7.12%
Welsh	2,947	0.42%, see rank	0.37%	0.57%

ACS 2008-2012 data

648,465 (92.47%) out of the total population of 701,282 reported first ancestry.

	Lake County	% of the Total Population	Illinois	U.S.
Arab	2,179	0.31%, see rank	0.64%	0.53%
Czech	6,672	0.95%, see rank	0.96%	0.50%
Danish	5,133	0.73%, see rank	0.40%	0.45%
Dutch	8,139	1.16%, see rank	1.46%	1.51%
English	43,686	6.23%, see rank	6.23%	8.53%
French	15,481	2.21%, see rank	2.26%	3.54%
German	141,203	20.13%, see rank	19.89%	15.79%
Greek	7,467	1.06%, see rank	0.78%	0.42%
Hungarian	3,935	0.56%, see rank	0.41%	0.48%
Irish	86,740	12.37%, see rank	12.52%	11.36%
Italian	48,021	6.85%, see rank	6.29%	5.66%
Norwegian	12,691	1.81%, see rank	1.30%	1.46%
Polish	63,649	9.08%, see rank	7.47%	3.13%
Portuguese	557	0.08%, see rank	0.08%	0.46%
Russian	26,233	3.74%, see rank	1.03%	0.97%
Scotch-Irish	3,917	0.56%, see rank	0.65%	1.07%
Scottish	10,720	1.53%, see rank	1.20%	1.81%
Subsaharan African	1,902	0.27%, see rank	0.62%	0.93%
Swedish	19,279	2.75%, see rank	2.24%	1.34%
Swiss	2,352	0.34%, see rank	0.29%	0.31%
Ukrainian	4,529	0.65%, see rank	0.40%	0.31%
American	33,968	4.84%, see rank	4.85%	6.72%
Welsh	3,225	0.46%, see rank	0.40%	0.60%

ACS 2006-2010 data

650,341 (93.28%) out of the total population of 697,179 reported first ancestry.

	Lake County	% of the Total Population	Illinois	U.S.
Arab	2,064	0.30%, see rank	0.55%	0.50%
Czech	6,898	0.99%, see rank	1.01%	0.53%
Danish	5,382	0.77%, see rank	0.42%	0.48%
Dutch	9,046	1.30%, see rank	1.58%	1.63%
English	45,338	6.50%, see rank	6.56%	9.02%
French	16,447	2.36%, see rank	2.43%	3.77%
German	142,891	20.50%, see rank	20.72%	16.51%
Greek	7,647	1.10%, see rank	0.83%	0.44%
Hungarian	4,636	0.66%, see rank	0.43%	0.51%
Irish	89,892	12.89%, see rank	12.94%	11.76%
Italian	48,323	6.93%, see rank	6.35%	5.78%
Norwegian	14,053	2.02%, see rank	1.36%	1.51%
Polish	65,403	9.38%, see rank	7.69%	3.24%
Portuguese	754	0.11%, see rank	0.08%	0.47%
Russian	26,710	3.83%, see rank	1.07%	1.01%
Scotch-Irish	7,975	1.14%, see rank	1.12%	1.72%
Scottish	10,760	1.54%, see rank	1.26%	1.92%
Subsaharan African	2,058	0.30%, see rank	0.63%	0.91%
Swedish	20,711	2.97%, see rank	2.37%	1.41%
Swiss	2,317	0.33%, see rank	0.33%	0.33%
Ukrainian	4,695	0.67%, see rank	0.40%	0.31%
American	27,837	3.99%, see rank	4.61%	6.28%
Welsh	3,046	0.44%, see rank	0.41%	0.63%

ACS 2005-2009 data

659,094 (93.81%) out of the total population of 702,558 reported first ancestry.

	Lake County	% of the Total Population	Illinois	U.S.
Arab	2,275	0.32%, see rank	0.52%	0.50%
Czech	6,958	0.99%, see rank	1.02%	0.54%
Danish	5,737	0.82%, see rank	0.44%	0.49%
Dutch	9,746	1.39%, see rank	1.61%	1.68%
English	48,666	6.93%, see rank	6.71%	9.29%
French	17,107	2.43%, see rank	2.51%	3.90%
German	148,363	21.12%, see rank	21.16%	16.89%
Greek	7,389	1.05%, see rank	0.85%	0.45%
Hungarian	4,904	0.70%, see rank	0.45%	0.52%
Irish	94,013	13.38%, see rank	13.14%	12.01%
Italian	49,317	7.02%, see rank	6.45%	5.91%
Norwegian	14,162	2.02%, see rank	1.38%	1.55%
Polish	67,168	9.56%, see rank	7.85%	3.32%
Portuguese	668	0.10%, see rank	0.07%	0.48%
Russian	27,456	3.91%, see rank	1.11%	1.04%
Scotch-Irish	8,643	1.23%, see rank	1.15%	1.77%
Scottish	11,032	1.57%, see rank	1.31%	1.97%
Subsaharan African	2,235	0.32%, see rank	0.62%	0.88%
Swedish	21,626	3.08%, see rank	2.46%	1.45%
Swiss	2,386	0.34%, see rank	0.33%	0.34%
Ukrainian	4,773	0.68%, see rank	0.40%	0.32%
American	26,231	3.73%, see rank	4.55%	6.43%
Welsh	3,225	0.46%, see rank	0.42%	0.65%

US Census 2000 data

550,770 (85.48%) out of the total population of 644,356 reported first ancestry.

	Lake County	% of the Total Population	Illinois	U.S.
Arab	1,284	0.20%, see rank	0.38%	0.36%
Czech	3,081	0.48%, see rank	0.57%	0.27%
Danish	3,195	0.50%, see rank	0.26%	0.30%
Dutch	4,806	0.75%, see rank	0.90%	0.91%
English	26,946	4.18%, see rank	4.12%	5.91%
French	9,999	1.55%, see rank	1.34%	2.39%
German	93,732	14.55%, see rank	13.82%	10.81%
Greek	5,121	0.79%, see rank	0.65%	0.34%
Hungarian	2,584	0.40%, see rank	0.27%	0.32%
Irish	49,466	7.68%, see rank	7.62%	6.85%
Italian	35,436	5.50%, see rank	4.81%	4.59%
Norwegian	9,554	1.48%, see rank	0.96%	1.15%
Polish	39,765	6.17%, see rank	5.68%	2.24%
Portuguese	347	0.05%, see rank	0.04%	0.33%
Russian	16,716	2.59%, see rank	0.72%	0.68%
Scotch-Irish	4,648	0.72%, see rank	0.73%	1.17%
Scottish	6,031	0.94%, see rank	0.73%	1.12%
Subsaharan African	2,217	0.34%, see rank	0.57%	0.61%
Swedish	13,203	2.05%, see rank	1.52%	0.87%
Swiss	1,229	0.19%, see rank	0.17%	0.19%
Ukrainian	3,222	0.50%, see rank	0.30%	0.24%
American	27,800	4.31%, see rank	4.58%	7.33%
Welsh	1,302	0.20%, 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.