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Westchester County Historical First Ancestry Data

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ACS 2010-2014 data

889,933 (92.48%) out of the total population of 962,319 reported first ancestry.

	Westchester County	% of the Total Population	New York	U.S.
Arab	8,282	0.86%, see rank	0.81%	0.56%
Czech	3,812	0.40%, see rank	0.28%	0.47%
Danish	1,865	0.19%, see rank	0.18%	0.42%
Dutch	4,421	0.46%, see rank	1.25%	1.40%
English	33,327	3.46%, see rank	5.38%	8.02%
French	16,724	1.74%, see rank	2.93%	3.34%
German	65,558	6.81%, see rank	10.62%	15.03%
Greek	8,199	0.85%, see rank	0.77%	0.41%
Hungarian	7,729	0.80%, see rank	0.76%	0.46%
Irish	116,414	12.10%, see rank	12.41%	10.80%
Italian	174,508	18.13%, see rank	13.28%	5.52%
Norwegian	3,627	0.38%, see rank	0.42%	1.42%
Polish	33,515	3.48%, see rank	4.82%	3.01%
Portuguese	9,363	0.97%, see rank	0.27%	0.44%
Russian	31,172	3.24%, see rank	2.21%	0.92%
Scotch-Irish	3,028	0.31%, see rank	0.35%	0.99%
Scottish	8,546	0.89%, see rank	1.06%	1.72%
Subsaharan African	10,396	1.08%, see rank	1.27%	0.95%
Swedish	4,956	0.52%, see rank	0.62%	1.27%
Swiss	1,513	0.16%, see rank	0.18%	0.30%
Ukrainian	4,775	0.50%, see rank	0.69%	0.31%
American	48,692	5.06%, see rank	5.03%	7.12%
Welsh	1,819	0.19%, see rank	0.42%	0.57%

ACS 2008-2012 data

895,912 (94.28%) out of the total population of 950,227 reported first ancestry.

	Westchester County	% of the Total Population	New York	U.S.
Arab	7,098	0.75%, see rank	0.79%	0.53%
Czech	3,843	0.40%, see rank	0.29%	0.50%
Danish	1,804	0.19%, see rank	0.18%	0.45%
Dutch	5,265	0.55%, see rank	1.35%	1.51%
English	36,741	3.87%, see rank	5.77%	8.53%
French	18,459	1.94%, see rank	3.12%	3.54%
German	67,490	7.10%, see rank	11.22%	15.79%
Greek	9,285	0.98%, see rank	0.82%	0.42%
Hungarian	8,523	0.90%, see rank	0.78%	0.48%
Irish	121,424	12.78%, see rank	13.03%	11.36%
Italian	180,336	18.98%, see rank	13.84%	5.66%
Norwegian	3,923	0.41%, see rank	0.43%	1.46%
Polish	36,279	3.82%, see rank	5.08%	3.13%
Portuguese	9,163	0.96%, see rank	0.28%	0.46%
Russian	33,840	3.56%, see rank	2.41%	0.97%
Scotch-Irish	3,070	0.32%, see rank	0.38%	1.07%
Scottish	9,217	0.97%, see rank	1.11%	1.81%
Subsaharan African	9,655	1.02%, see rank	1.24%	0.93%
Swedish	5,148	0.54%, see rank	0.66%	1.34%
Swiss	1,835	0.19%, see rank	0.20%	0.31%
Ukrainian	4,635	0.49%, see rank	0.69%	0.31%
American	44,796	4.71%, see rank	4.21%	6.72%
Welsh	2,160	0.23%, see rank	0.45%	0.60%

ACS 2006-2010 data

896,255 (95.41%) out of the total population of 939,406 reported first ancestry.

	Westchester County	% of the Total Population	New York	U.S.
Arab	7,794	0.83%, see rank	0.74%	0.50%
Czech	3,626	0.39%, see rank	0.30%	0.53%
Danish	1,707	0.18%, see rank	0.18%	0.48%
Dutch	5,907	0.63%, see rank	1.44%	1.63%
English	38,197	4.07%, see rank	6.14%	9.02%
French	18,722	1.99%, see rank	3.33%	3.77%
German	70,104	7.46%, see rank	11.71%	16.51%
Greek	7,851	0.84%, see rank	0.85%	0.44%
Hungarian	8,762	0.93%, see rank	0.80%	0.51%
Irish	124,206	13.22%, see rank	13.34%	11.76%
Italian	183,778	19.56%, see rank	14.20%	5.78%
Norwegian	3,840	0.41%, see rank	0.45%	1.51%
Polish	37,394	3.98%, see rank	5.24%	3.24%
Portuguese	9,598	1.02%, see rank	0.28%	0.47%
Russian	35,555	3.78%, see rank	2.47%	1.01%
Scotch-Irish	6,751	0.72%, see rank	0.86%	1.72%
Scottish	10,201	1.09%, see rank	1.18%	1.92%
Subsaharan African	9,110	0.97%, see rank	1.24%	0.91%
Swedish	5,211	0.55%, see rank	0.69%	1.41%
Swiss	2,042	0.22%, see rank	0.20%	0.33%
Ukrainian	4,931	0.52%, see rank	0.69%	0.31%
American	41,120	4.38%, see rank	3.58%	6.28%
Welsh	2,296	0.24%, see rank	0.46%	0.63%

ACS 2005-2009 data

908,414 (95.72%) out of the total population of 949,050 reported first ancestry.

	Westchester County	% of the Total Population	New York	U.S.
Arab	8,962	0.94%, see rank	0.75%	0.50%
Czech	3,685	0.39%, see rank	0.31%	0.54%
Danish	2,056	0.22%, see rank	0.19%	0.49%
Dutch	6,494	0.68%, see rank	1.46%	1.68%
English	40,482	4.27%, see rank	6.30%	9.29%
French	19,057	2.01%, see rank	3.38%	3.90%
German	72,778	7.67%, see rank	11.88%	16.89%
Greek	8,296	0.87%, see rank	0.89%	0.45%
Hungarian	9,343	0.98%, see rank	0.82%	0.52%
Irish	132,141	13.92%, see rank	13.54%	12.01%
Italian	195,149	20.56%, see rank	14.66%	5.91%
Norwegian	4,161	0.44%, see rank	0.47%	1.55%
Polish	39,602	4.17%, see rank	5.31%	3.32%
Portuguese	9,399	0.99%, see rank	0.28%	0.48%
Russian	38,087	4.01%, see rank	2.56%	1.04%
Scotch-Irish	7,238	0.76%, see rank	0.87%	1.77%
Scottish	10,708	1.13%, see rank	1.21%	1.97%
Subsaharan African	7,938	0.84%, see rank	1.24%	0.88%
Swedish	4,927	0.52%, see rank	0.70%	1.45%
Swiss	2,398	0.25%, see rank	0.21%	0.34%
Ukrainian	5,554	0.59%, see rank	0.72%	0.32%
American	40,004	4.22%, see rank	3.66%	6.43%
Welsh	2,443	0.26%, see rank	0.47%	0.65%

US Census 2000 data

807,471 (87.44%) out of the total population of 923,459 reported first ancestry.

	Westchester County	% of the Total Population	New York	U.S.
Arab	5,194	0.56%, see rank	0.55%	0.36%
Czech	1,593	0.17%, see rank	0.13%	0.27%
Danish	1,022	0.11%, see rank	0.12%	0.30%
Dutch	3,684	0.40%, see rank	0.71%	0.91%
English	24,238	2.62%, see rank	3.65%	5.91%
French	9,309	1.01%, see rank	2.01%	2.39%
German	39,600	4.29%, see rank	6.84%	10.81%
Greek	5,825	0.63%, see rank	0.72%	0.34%
Hungarian	5,797	0.63%, see rank	0.47%	0.32%
Irish	91,719	9.93%, see rank	8.65%	6.85%
Italian	172,349	18.66%, see rank	12.50%	4.59%
Norwegian	2,753	0.30%, see rank	0.32%	1.15%
Polish	22,141	2.40%, see rank	3.71%	2.24%
Portuguese	7,584	0.82%, see rank	0.18%	0.33%
Russian	26,007	2.82%, see rank	1.93%	0.68%
Scotch-Irish	4,401	0.48%, see rank	0.53%	1.17%
Scottish	5,640	0.61%, see rank	0.67%	1.12%
Subsaharan African	6,560	0.71%, see rank	0.83%	0.61%
Swedish	3,355	0.36%, see rank	0.42%	0.87%
Swiss	1,598	0.17%, see rank	0.12%	0.19%
Ukrainian	4,018	0.44%, see rank	0.62%	0.24%
American	32,480	3.52%, see rank	3.78%	7.33%
Welsh	1,049	0.11%, see rank	0.21%	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.