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Lancaster County Historical First Ancestry Data

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ACS 2010-2014 data

445,828 (84.62%) out of the total population of 526,839 reported first ancestry.

	Lancaster County	% of the Total Population	Pennsylvania	U.S.
Arab	853	0.16%, see rank	0.49%	0.56%
Czech	1,401	0.27%, see rank	0.40%	0.47%
Danish	489	0.09%, see rank	0.13%	0.42%
Dutch	8,001	1.52%, see rank	1.76%	1.40%
English	41,112	7.80%, see rank	7.42%	8.02%
French	10,247	1.94%, see rank	1.87%	3.34%
German	204,810	38.88%, see rank	27.27%	15.03%
Greek	2,367	0.45%, see rank	0.50%	0.41%
Hungarian	2,323	0.44%, see rank	1.03%	0.46%
Irish	56,526	10.73%, see rank	16.97%	10.80%
Italian	30,762	5.84%, see rank	12.13%	5.52%
Norwegian	2,200	0.42%, see rank	0.33%	1.42%
Polish	14,822	2.81%, see rank	6.62%	3.01%
Portuguese	681	0.13%, see rank	0.15%	0.44%
Russian	3,824	0.73%, see rank	1.47%	0.92%
Scotch-Irish	5,976	1.13%, see rank	1.18%	0.99%
Scottish	7,985	1.52%, see rank	1.50%	1.72%
Subsaharan African	4,001	0.76%, see rank	0.74%	0.95%
Swedish	4,068	0.77%, see rank	0.82%	1.27%
Swiss	17,496	3.32%, see rank	0.51%	0.30%
Ukrainian	2,275	0.43%, see rank	0.88%	0.31%
American	42,233	8.02%, see rank	5.22%	7.12%
Welsh	5,432	1.03%, see rank	1.30%	0.57%

ACS 2008-2012 data

452,783 (87.09%) out of the total population of 519,913 reported first ancestry.

	Lancaster County	% of the Total Population	Pennsylvania	U.S.
Arab	874	0.17%, see rank	0.49%	0.53%
Czech	1,230	0.24%, see rank	0.44%	0.50%
Danish	679	0.13%, see rank	0.14%	0.45%
Dutch	8,348	1.61%, see rank	1.94%	1.51%
English	42,317	8.14%, see rank	7.94%	8.53%
French	11,109	2.14%, see rank	1.99%	3.54%
German	209,986	40.39%, see rank	28.44%	15.79%
Greek	2,137	0.41%, see rank	0.51%	0.42%
Hungarian	1,816	0.35%, see rank	1.08%	0.48%
Irish	59,311	11.41%, see rank	17.65%	11.36%
Italian	29,711	5.71%, see rank	12.26%	5.66%
Norwegian	2,012	0.39%, see rank	0.34%	1.46%
Polish	14,572	2.80%, see rank	6.78%	3.13%
Portuguese	558	0.11%, see rank	0.15%	0.46%
Russian	3,563	0.69%, see rank	1.53%	0.97%
Scotch-Irish	6,764	1.30%, see rank	1.30%	1.07%
Scottish	7,833	1.51%, see rank	1.58%	1.81%
Subsaharan African	1,994	0.38%, see rank	0.68%	0.93%
Swedish	4,450	0.86%, see rank	0.85%	1.34%
Swiss	18,436	3.55%, see rank	0.55%	0.31%
Ukrainian	2,466	0.47%, see rank	0.91%	0.31%
American	41,753	8.03%, see rank	4.84%	6.72%
Welsh	6,205	1.19%, see rank	1.41%	0.60%

ACS 2006-2010 data

448,019 (87.63%) out of the total population of 511,250 reported first ancestry.

	Lancaster County	% of the Total Population	Pennsylvania	U.S.
Arab	1,004	0.20%, see rank	0.47%	0.50%
Czech	1,436	0.28%, see rank	0.46%	0.53%
Danish	788	0.15%, see rank	0.15%	0.48%
Dutch	8,724	1.71%, see rank	2.13%	1.63%
English	41,461	8.11%, see rank	8.35%	9.02%
French	11,483	2.25%, see rank	2.11%	3.77%
German	211,151	41.30%, see rank	29.39%	16.51%
Greek	2,357	0.46%, see rank	0.53%	0.44%
Hungarian	1,613	0.32%, see rank	1.15%	0.51%
Irish	58,264	11.40%, see rank	17.85%	11.76%
Italian	29,172	5.71%, see rank	12.51%	5.78%
Norwegian	1,942	0.38%, see rank	0.34%	1.51%
Polish	14,399	2.82%, see rank	6.98%	3.24%
Portuguese	360	0.07%, see rank	0.15%	0.47%
Russian	3,855	0.75%, see rank	1.60%	1.01%
Scotch-Irish	9,923	1.94%, see rank	1.99%	1.72%
Scottish	7,438	1.45%, see rank	1.67%	1.92%
Subsaharan African	1,889	0.37%, see rank	0.65%	0.91%
Swedish	4,508	0.88%, see rank	0.91%	1.41%
Swiss	18,762	3.67%, see rank	0.57%	0.33%
Ukrainian	2,243	0.44%, see rank	0.94%	0.31%
American	38,840	7.60%, see rank	4.36%	6.28%
Welsh	5,976	1.17%, see rank	1.49%	0.63%

ACS 2005-2009 data

438,691 (87.93%) out of the total population of 498,918 reported first ancestry.

	Lancaster County	% of the Total Population	Pennsylvania	U.S.
Arab	834	0.17%, see rank	0.47%	0.50%
Czech	1,311	0.26%, see rank	0.47%	0.54%
Danish	746	0.15%, see rank	0.16%	0.49%
Dutch	8,959	1.80%, see rank	2.21%	1.68%
English	40,231	8.06%, see rank	8.53%	9.29%
French	11,377	2.28%, see rank	2.15%	3.90%
German	210,634	42.22%, see rank	29.85%	16.89%
Greek	2,490	0.50%, see rank	0.53%	0.45%
Hungarian	2,231	0.45%, see rank	1.17%	0.52%
Irish	57,805	11.59%, see rank	18.11%	12.01%
Italian	30,946	6.20%, see rank	12.73%	5.91%
Norwegian	1,844	0.37%, see rank	0.35%	1.55%
Polish	13,734	2.75%, see rank	7.14%	3.32%
Portuguese	337	0.07%, see rank	0.15%	0.48%
Russian	4,018	0.81%, see rank	1.65%	1.04%
Scotch-Irish	9,617	1.93%, see rank	2.06%	1.77%
Scottish	7,750	1.55%, see rank	1.70%	1.97%
Subsaharan African	2,682	0.54%, see rank	0.64%	0.88%
Swedish	4,444	0.89%, see rank	0.93%	1.45%
Swiss	18,920	3.79%, see rank	0.58%	0.34%
Ukrainian	2,427	0.49%, see rank	0.98%	0.32%
American	38,913	7.80%, see rank	4.49%	6.43%
Welsh	6,074	1.22%, see rank	1.52%	0.65%

US Census 2000 data

366,411 (77.85%) out of the total population of 470,658 reported first ancestry.

	Lancaster County	% of the Total Population	Pennsylvania	U.S.
Arab	566	0.12%, see rank	0.32%	0.36%
Czech	463	0.10%, see rank	0.17%	0.27%
Danish	442	0.09%, see rank	0.08%	0.30%
Dutch	3,587	0.76%, see rank	0.99%	0.91%
English	20,981	4.46%, see rank	4.75%	5.91%
French	5,441	1.16%, see rank	1.05%	2.39%
German	150,665	32.01%, see rank	19.14%	10.81%
Greek	1,861	0.40%, see rank	0.37%	0.34%
Hungarian	1,251	0.27%, see rank	0.66%	0.32%
Irish	26,313	5.59%, see rank	10.11%	6.85%
Italian	17,418	3.70%, see rank	9.55%	4.59%
Norwegian	1,121	0.24%, see rank	0.22%	1.15%
Polish	7,700	1.64%, see rank	4.74%	2.24%
Portuguese	171	0.04%, see rank	0.08%	0.33%
Russian	1,966	0.42%, see rank	1.04%	0.68%
Scotch-Irish	5,756	1.22%, see rank	1.29%	1.17%
Scottish	4,262	0.91%, see rank	0.93%	1.12%
Subsaharan African	1,023	0.22%, see rank	0.46%	0.61%
Swedish	2,060	0.44%, see rank	0.51%	0.87%
Swiss	10,782	2.29%, see rank	0.31%	0.19%
Ukrainian	1,265	0.27%, see rank	0.72%	0.24%
American	43,232	9.19%, see rank	5.16%	7.33%
Welsh	2,643	0.56%, see rank	0.72%	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.