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Ontario County Historical First Ancestry Data

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ACS 2010-2014 data

96,420 (88.48%) out of the total population of 108,975 reported first ancestry.

	Ontario County	% of the Total Population	New York	U.S.
Arab	582	0.53%, see rank	0.81%	0.56%
Czech	398	0.37%, see rank	0.28%	0.47%
Danish	799	0.73%, see rank	0.18%	0.42%
Dutch	5,809	5.33%, see rank	1.25%	1.40%
English	18,750	17.21%, see rank	5.38%	8.02%
French	6,125	5.62%, see rank	2.93%	3.34%
German	28,049	25.74%, see rank	10.62%	15.03%
Greek	308	0.28%, see rank	0.77%	0.41%
Hungarian	536	0.49%, see rank	0.76%	0.46%
Irish	22,215	20.39%, see rank	12.41%	10.80%
Italian	15,192	13.94%, see rank	13.28%	5.52%
Norwegian	473	0.43%, see rank	0.42%	1.42%
Polish	4,503	4.13%, see rank	4.82%	3.01%
Portuguese	235	0.22%, see rank	0.27%	0.44%
Russian	492	0.45%, see rank	2.21%	0.92%
Scotch-Irish	1,180	1.08%, see rank	0.35%	0.99%
Scottish	2,695	2.47%, see rank	1.06%	1.72%
Subsaharan African	277	0.25%, see rank	1.27%	0.95%
Swedish	1,035	0.95%, see rank	0.62%	1.27%
Swiss	514	0.47%, see rank	0.18%	0.30%
Ukrainian	610	0.56%, see rank	0.69%	0.31%
American	6,933	6.36%, see rank	5.03%	7.12%
Welsh	815	0.75%, see rank	0.42%	0.57%

ACS 2008-2012 data

96,889 (89.94%) out of the total population of 107,728 reported first ancestry.

	Ontario County	% of the Total Population	New York	U.S.
Arab	355	0.33%, see rank	0.79%	0.53%
Czech	417	0.39%, see rank	0.29%	0.50%
Danish	1,050	0.97%, see rank	0.18%	0.45%
Dutch	6,126	5.69%, see rank	1.35%	1.51%
English	20,588	19.11%, see rank	5.77%	8.53%
French	6,204	5.76%, see rank	3.12%	3.54%
German	28,402	26.36%, see rank	11.22%	15.79%
Greek	365	0.34%, see rank	0.82%	0.42%
Hungarian	520	0.48%, see rank	0.78%	0.48%
Irish	22,384	20.78%, see rank	13.03%	11.36%
Italian	16,128	14.97%, see rank	13.84%	5.66%
Norwegian	649	0.60%, see rank	0.43%	1.46%
Polish	5,146	4.78%, see rank	5.08%	3.13%
Portuguese	199	0.18%, see rank	0.28%	0.46%
Russian	551	0.51%, see rank	2.41%	0.97%
Scotch-Irish	1,151	1.07%, see rank	0.38%	1.07%
Scottish	2,519	2.34%, see rank	1.11%	1.81%
Subsaharan African	162	0.15%, see rank	1.24%	0.93%
Swedish	1,287	1.19%, see rank	0.66%	1.34%
Swiss	450	0.42%, see rank	0.20%	0.31%
Ukrainian	732	0.68%, see rank	0.69%	0.31%
American	5,740	5.33%, see rank	4.21%	6.72%
Welsh	1,195	1.11%, see rank	0.45%	0.60%

ACS 2006-2010 data

96,552 (90.83%) out of the total population of 106,298 reported first ancestry.

	Ontario County	% of the Total Population	New York	U.S.
Arab	390	0.37%, see rank	0.74%	0.50%
Czech	381	0.36%, see rank	0.30%	0.53%
Danish	1,121	1.05%, see rank	0.18%	0.48%
Dutch	7,090	6.67%, see rank	1.44%	1.63%
English	22,292	20.97%, see rank	6.14%	9.02%
French	6,540	6.15%, see rank	3.33%	3.77%
German	29,996	28.22%, see rank	11.71%	16.51%
Greek	382	0.36%, see rank	0.85%	0.44%
Hungarian	399	0.38%, see rank	0.80%	0.51%
Irish	22,198	20.88%, see rank	13.34%	11.76%
Italian	16,105	15.15%, see rank	14.20%	5.78%
Norwegian	644	0.61%, see rank	0.45%	1.51%
Polish	5,470	5.15%, see rank	5.24%	3.24%
Portuguese	117	0.11%, see rank	0.28%	0.47%
Russian	465	0.44%, see rank	2.47%	1.01%
Scotch-Irish	1,768	1.66%, see rank	0.86%	1.72%
Scottish	2,962	2.79%, see rank	1.18%	1.92%
Subsaharan African	105	0.10%, see rank	1.24%	0.91%
Swedish	1,399	1.32%, see rank	0.69%	1.41%
Swiss	371	0.35%, see rank	0.20%	0.33%
Ukrainian	827	0.78%, see rank	0.69%	0.31%
American	5,011	4.71%, see rank	3.58%	6.28%
Welsh	1,231	1.16%, see rank	0.46%	0.63%

ACS 2005-2009 data

95,247 (91.40%) out of the total population of 104,205 reported first ancestry.

	Ontario County	% of the Total Population	New York	U.S.
Arab	515	0.49%, see rank	0.75%	0.50%
Czech	362	0.35%, see rank	0.31%	0.54%
Danish	1,074	1.03%, see rank	0.19%	0.49%
Dutch	6,920	6.64%, see rank	1.46%	1.68%
English	21,594	20.72%, see rank	6.30%	9.29%
French	6,417	6.16%, see rank	3.38%	3.90%
German	28,822	27.66%, see rank	11.88%	16.89%
Greek	419	0.40%, see rank	0.89%	0.45%
Hungarian	290	0.28%, see rank	0.82%	0.52%
Irish	22,433	21.53%, see rank	13.54%	12.01%
Italian	17,138	16.45%, see rank	14.66%	5.91%
Norwegian	588	0.56%, see rank	0.47%	1.55%
Polish	5,304	5.09%, see rank	5.31%	3.32%
Portuguese	112	0.11%, see rank	0.28%	0.48%
Russian	677	0.65%, see rank	2.56%	1.04%
Scotch-Irish	1,794	1.72%, see rank	0.87%	1.77%
Scottish	3,019	2.90%, see rank	1.21%	1.97%
Subsaharan African	160	0.15%, see rank	1.24%	0.88%
Swedish	1,201	1.15%, see rank	0.70%	1.45%
Swiss	397	0.38%, see rank	0.21%	0.34%
Ukrainian	901	0.86%, see rank	0.72%	0.32%
American	4,670	4.48%, see rank	3.66%	6.43%
Welsh	1,369	1.31%, see rank	0.47%	0.65%

US Census 2000 data

83,717 (83.53%) out of the total population of 100,224 reported first ancestry.

	Ontario County	% of the Total Population	New York	U.S.
Arab	265	0.26%, see rank	0.55%	0.36%
Czech	139	0.14%, see rank	0.13%	0.27%
Danish	681	0.68%, see rank	0.12%	0.30%
Dutch	4,255	4.25%, see rank	0.71%	0.91%
English	12,427	12.40%, see rank	3.65%	5.91%
French	3,182	3.17%, see rank	2.01%	2.39%
German	15,072	15.04%, see rank	6.84%	10.81%
Greek	228	0.23%, see rank	0.72%	0.34%
Hungarian	230	0.23%, see rank	0.47%	0.32%
Irish	12,506	12.48%, see rank	8.65%	6.85%
Italian	11,552	11.53%, see rank	12.50%	4.59%
Norwegian	457	0.46%, see rank	0.32%	1.15%
Polish	2,703	2.70%, see rank	3.71%	2.24%
Portuguese	97	0.10%, see rank	0.18%	0.33%
Russian	298	0.30%, see rank	1.93%	0.68%
Scotch-Irish	1,121	1.12%, see rank	0.53%	1.17%
Scottish	1,841	1.84%, see rank	0.67%	1.12%
Subsaharan African	149	0.15%, see rank	0.83%	0.61%
Swedish	640	0.64%, see rank	0.42%	0.87%
Swiss	245	0.24%, see rank	0.12%	0.19%
Ukrainian	487	0.49%, see rank	0.62%	0.24%
American	6,148	6.13%, see rank	3.78%	7.33%
Welsh	345	0.34%, 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.