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New Castle County Historical First Ancestry Data

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ACS 2010-2014 data

493,742 (90.45%) out of the total population of 545,846 reported first ancestry.

	New Castle County	% of the Total Population	Delaware	U.S.
Arab	2,133	0.39%, see rank	0.29%	0.56%
Czech	1,292	0.24%, see rank	0.24%	0.47%
Danish	1,015	0.19%, see rank	0.22%	0.42%
Dutch	6,031	1.10%, see rank	1.29%	1.40%
English	52,909	9.69%, see rank	10.72%	8.02%
French	11,975	2.19%, see rank	2.36%	3.34%
German	77,844	14.26%, see rank	14.94%	15.03%
Greek	2,870	0.53%, see rank	0.48%	0.41%
Hungarian	2,577	0.47%, see rank	0.52%	0.46%
Irish	101,057	18.51%, see rank	17.23%	10.80%
Italian	65,241	11.95%, see rank	9.94%	5.52%
Norwegian	2,247	0.41%, see rank	0.42%	1.42%
Polish	30,711	5.63%, see rank	4.66%	3.01%
Portuguese	737	0.14%, see rank	0.16%	0.44%
Russian	5,419	0.99%, see rank	0.85%	0.92%
Scotch-Irish	3,718	0.68%, see rank	0.77%	0.99%
Scottish	8,120	1.49%, see rank	1.55%	1.72%
Subsaharan African	7,167	1.31%, see rank	1.00%	0.95%
Swedish	4,379	0.80%, see rank	0.80%	1.27%
Swiss	1,025	0.19%, see rank	0.19%	0.30%
Ukrainian	3,443	0.63%, see rank	0.50%	0.31%
American	19,246	3.53%, see rank	5.24%	7.12%
Welsh	4,126	0.76%, see rank	0.79%	0.57%

ACS 2008-2012 data

499,236 (92.51%) out of the total population of 539,665 reported first ancestry.

	New Castle County	% of the Total Population	Delaware	U.S.
Arab	1,985	0.37%, see rank	0.28%	0.53%
Czech	1,323	0.25%, see rank	0.25%	0.50%
Danish	1,038	0.19%, see rank	0.20%	0.45%
Dutch	7,167	1.33%, see rank	1.49%	1.51%
English	56,568	10.48%, see rank	11.70%	8.53%
French	12,255	2.27%, see rank	2.51%	3.54%
German	81,657	15.13%, see rank	15.87%	15.79%
Greek	3,102	0.57%, see rank	0.51%	0.42%
Hungarian	2,440	0.45%, see rank	0.50%	0.48%
Irish	103,164	19.12%, see rank	18.09%	11.36%
Italian	63,879	11.84%, see rank	9.97%	5.66%
Norwegian	2,324	0.43%, see rank	0.44%	1.46%
Polish	31,607	5.86%, see rank	4.84%	3.13%
Portuguese	1,011	0.19%, see rank	0.20%	0.46%
Russian	5,731	1.06%, see rank	0.91%	0.97%
Scotch-Irish	5,118	0.95%, see rank	0.94%	1.07%
Scottish	9,861	1.83%, see rank	1.79%	1.81%
Subsaharan African	6,745	1.25%, see rank	0.94%	0.93%
Swedish	4,227	0.78%, see rank	0.79%	1.34%
Swiss	1,032	0.19%, see rank	0.21%	0.31%
Ukrainian	3,841	0.71%, see rank	0.57%	0.31%
American	17,327	3.21%, see rank	4.55%	6.72%
Welsh	5,403	1.00%, see rank	0.99%	0.60%

ACS 2006-2010 data

495,853 (92.94%) out of the total population of 533,514 reported first ancestry.

	New Castle County	% of the Total Population	Delaware	U.S.
Arab	2,218	0.42%, see rank	0.32%	0.50%
Czech	1,434	0.27%, see rank	0.27%	0.53%
Danish	1,086	0.20%, see rank	0.20%	0.48%
Dutch	7,157	1.34%, see rank	1.61%	1.63%
English	60,130	11.27%, see rank	12.31%	9.02%
French	11,881	2.23%, see rank	2.56%	3.77%
German	80,968	15.18%, see rank	16.36%	16.51%
Greek	3,391	0.64%, see rank	0.55%	0.44%
Hungarian	2,874	0.54%, see rank	0.56%	0.51%
Irish	102,172	19.15%, see rank	18.20%	11.76%
Italian	62,330	11.68%, see rank	9.87%	5.78%
Norwegian	2,668	0.50%, see rank	0.53%	1.51%
Polish	33,108	6.21%, see rank	5.17%	3.24%
Portuguese	1,097	0.21%, see rank	0.22%	0.47%
Russian	5,311	1.00%, see rank	0.85%	1.01%
Scotch-Irish	9,291	1.74%, see rank	1.75%	1.72%
Scottish	10,550	1.98%, see rank	1.93%	1.92%
Subsaharan African	7,905	1.48%, see rank	1.14%	0.91%
Swedish	4,328	0.81%, see rank	0.83%	1.41%
Swiss	1,282	0.24%, see rank	0.26%	0.33%
Ukrainian	4,695	0.88%, see rank	0.67%	0.31%
American	16,262	3.05%, see rank	4.25%	6.28%
Welsh	5,698	1.07%, see rank	1.07%	0.63%

ACS 2005-2009 data

492,574 (93.33%) out of the total population of 527,774 reported first ancestry.

	New Castle County	% of the Total Population	Delaware	U.S.
Arab	2,307	0.44%, see rank	0.34%	0.50%
Czech	1,650	0.31%, see rank	0.31%	0.54%
Danish	1,066	0.20%, see rank	0.21%	0.49%
Dutch	7,022	1.33%, see rank	1.58%	1.68%
English	61,783	11.71%, see rank	12.65%	9.29%
French	12,234	2.32%, see rank	2.63%	3.90%
German	82,437	15.62%, see rank	16.69%	16.89%
Greek	3,111	0.59%, see rank	0.52%	0.45%
Hungarian	3,026	0.57%, see rank	0.57%	0.52%
Irish	103,052	19.53%, see rank	18.67%	12.01%
Italian	64,080	12.14%, see rank	10.16%	5.91%
Norwegian	2,783	0.53%, see rank	0.54%	1.55%
Polish	32,292	6.12%, see rank	5.10%	3.32%
Portuguese	1,083	0.21%, see rank	0.22%	0.48%
Russian	5,540	1.05%, see rank	0.90%	1.04%
Scotch-Irish	10,199	1.93%, see rank	1.81%	1.77%
Scottish	11,492	2.18%, see rank	2.05%	1.97%
Subsaharan African	7,617	1.44%, see rank	1.10%	0.88%
Swedish	4,800	0.91%, see rank	0.93%	1.45%
Swiss	1,176	0.22%, see rank	0.26%	0.34%
Ukrainian	5,026	0.95%, see rank	0.73%	0.32%
American	15,471	2.93%, see rank	4.35%	6.43%
Welsh	5,871	1.11%, see rank	1.11%	0.65%

US Census 2000 data

416,498 (83.26%) out of the total population of 500,265 reported first ancestry.

	New Castle County	% of the Total Population	Delaware	U.S.
Arab	1,112	0.22%, see rank	0.17%	0.36%
Czech	536	0.11%, see rank	0.12%	0.27%
Danish	746	0.15%, see rank	0.12%	0.30%
Dutch	3,500	0.70%, see rank	0.75%	0.91%
English	36,804	7.36%, see rank	8.18%	5.91%
French	7,064	1.41%, see rank	1.52%	2.39%
German	45,964	9.19%, see rank	9.50%	10.81%
Greek	2,354	0.47%, see rank	0.36%	0.34%
Hungarian	1,499	0.30%, see rank	0.31%	0.32%
Irish	60,889	12.17%, see rank	11.07%	6.85%
Italian	47,326	9.46%, see rank	7.56%	4.59%
Norwegian	1,522	0.30%, see rank	0.35%	1.15%
Polish	22,600	4.52%, see rank	3.64%	2.24%
Portuguese	357	0.07%, see rank	0.08%	0.33%
Russian	3,381	0.68%, see rank	0.54%	0.68%
Scotch-Irish	5,589	1.12%, see rank	1.10%	1.17%
Scottish	6,489	1.30%, see rank	1.24%	1.12%
Subsaharan African	5,766	1.15%, see rank	0.99%	0.61%
Swedish	2,860	0.57%, see rank	0.52%	0.87%
Swiss	520	0.10%, see rank	0.12%	0.19%
Ukrainian	2,929	0.59%, see rank	0.44%	0.24%
American	19,607	3.92%, see rank	6.06%	7.33%
Welsh	2,747	0.55%, see rank	0.51%	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.