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Rocky Hill, NJ Historical First Ancestry Data

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ACS 2010-2014 data

502 (90.61%) out of the total population of 554 reported first ancestry.

	Rocky Hill, NJ	% of the Total Population	New Jersey	U.S.
Arab	0	0.00%, see rank	1.09%	0.56%
Czech	10	1.81%, see rank	0.32%	0.47%
Danish	7	1.26%, see rank	0.20%	0.42%
Dutch	28	5.05%, see rank	1.08%	1.40%
English	91	16.43%, see rank	4.98%	8.02%
French	22	3.97%, see rank	1.49%	3.34%
German	154	27.80%, see rank	11.12%	15.03%
Greek	3	0.54%, see rank	0.72%	0.41%
Hungarian	19	3.43%, see rank	1.12%	0.46%
Irish	141	25.45%, see rank	14.59%	10.80%
Italian	65	11.73%, see rank	16.58%	5.52%
Norwegian	3	0.54%, see rank	0.45%	1.42%
Polish	41	7.40%, see rank	5.98%	3.01%
Portuguese	0	0.00%, see rank	0.88%	0.44%
Russian	19	3.43%, see rank	2.00%	0.92%
Scotch-Irish	8	1.44%, see rank	0.39%	0.99%
Scottish	14	2.53%, see rank	1.04%	1.72%
Subsaharan African	0	0.00%, see rank	0.97%	0.95%
Swedish	8	1.44%, see rank	0.58%	1.27%
Swiss	2	0.36%, see rank	0.19%	0.30%
Ukrainian	4	0.72%, see rank	0.78%	0.31%
American	13	2.35%, see rank	4.19%	7.12%
Welsh	8	1.44%, see rank	0.38%	0.57%

ACS 2008-2012 data

412 (75.46%) out of the total population of 546 reported first ancestry.

	Rocky Hill, NJ	% of the Total Population	New Jersey	U.S.
Arab	0	0.00%, see rank	1.02%	0.53%
Czech	10	1.83%, see rank	0.36%	0.50%
Danish	0	0.00%, see rank	0.20%	0.45%
Dutch	30	5.49%, see rank	1.15%	1.51%
English	82	15.02%, see rank	5.42%	8.53%
French	29	5.31%, see rank	1.57%	3.54%
German	121	22.16%, see rank	11.81%	15.79%
Greek	0	0.00%, see rank	0.73%	0.42%
Hungarian	3	0.55%, see rank	1.19%	0.48%
Irish	97	17.77%, see rank	15.34%	11.36%
Italian	54	9.89%, see rank	17.07%	5.66%
Norwegian	3	0.55%, see rank	0.47%	1.46%
Polish	14	2.56%, see rank	6.30%	3.13%
Portuguese	0	0.00%, see rank	0.91%	0.46%
Russian	12	2.20%, see rank	2.14%	0.97%
Scotch-Irish	7	1.28%, see rank	0.44%	1.07%
Scottish	3	0.55%, see rank	1.10%	1.81%
Subsaharan African	0	0.00%, see rank	1.02%	0.93%
Swedish	7	1.28%, see rank	0.60%	1.34%
Swiss	2	0.37%, see rank	0.20%	0.31%
Ukrainian	5	0.92%, see rank	0.79%	0.31%
American	12	2.20%, see rank	3.77%	6.72%
Welsh	5	0.92%, see rank	0.41%	0.60%

ACS 2006-2010 data

419 (72.37%) out of the total population of 579 reported first ancestry.

	Rocky Hill, NJ	% of the Total Population	New Jersey	U.S.
Arab	0	0.00%, see rank	0.95%	0.50%
Czech	6	1.04%, see rank	0.37%	0.53%
Danish	0	0.00%, see rank	0.23%	0.48%
Dutch	33	5.70%, see rank	1.27%	1.63%
English	96	16.58%, see rank	5.80%	9.02%
French	22	3.80%, see rank	1.65%	3.77%
German	125	21.59%, see rank	12.34%	16.51%
Greek	0	0.00%, see rank	0.75%	0.44%
Hungarian	11	1.90%, see rank	1.25%	0.51%
Irish	92	15.89%, see rank	15.72%	11.76%
Italian	49	8.46%, see rank	17.44%	5.78%
Norwegian	9	1.55%, see rank	0.49%	1.51%
Polish	16	2.76%, see rank	6.48%	3.24%
Portuguese	0	0.00%, see rank	0.91%	0.47%
Russian	12	2.07%, see rank	2.26%	1.01%
Scotch-Irish	9	1.55%, see rank	0.95%	1.72%
Scottish	6	1.04%, see rank	1.20%	1.92%
Subsaharan African	0	0.00%, see rank	1.02%	0.91%
Swedish	0	0.00%, see rank	0.62%	1.41%
Swiss	6	1.04%, see rank	0.21%	0.33%
Ukrainian	6	1.04%, see rank	0.82%	0.31%
American	9	1.55%, see rank	3.22%	6.28%
Welsh	3	0.52%, see rank	0.44%	0.63%

ACS 2005-2009 data

483 (71.98%) out of the total population of 671 reported first ancestry.

	Rocky Hill, NJ	% of the Total Population	New Jersey	U.S.
Arab	0	0.00%, see rank	0.96%	0.50%
Czech	0	0.00%, see rank	0.38%	0.54%
Danish	0	0.00%, see rank	0.23%	0.49%
Dutch	41	6.11%, see rank	1.31%	1.68%
English	122	18.18%, see rank	6.09%	9.29%
French	19	2.83%, see rank	1.71%	3.90%
German	131	19.52%, see rank	12.78%	16.89%
Greek	9	1.34%, see rank	0.77%	0.45%
Hungarian	14	2.09%, see rank	1.29%	0.52%
Irish	113	16.84%, see rank	16.05%	12.01%
Italian	42	6.26%, see rank	17.87%	5.91%
Norwegian	9	1.34%, see rank	0.50%	1.55%
Polish	17	2.53%, see rank	6.63%	3.32%
Portuguese	0	0.00%, see rank	0.93%	0.48%
Russian	11	1.64%, see rank	2.35%	1.04%
Scotch-Irish	6	0.89%, see rank	0.99%	1.77%
Scottish	7	1.04%, see rank	1.26%	1.97%
Subsaharan African	0	0.00%, see rank	1.00%	0.88%
Swedish	0	0.00%, see rank	0.66%	1.45%
Swiss	6	0.89%, see rank	0.21%	0.34%
Ukrainian	6	0.89%, see rank	0.84%	0.32%
American	9	1.34%, see rank	3.14%	6.43%
Welsh	3	0.45%, see rank	0.46%	0.65%

US Census 2000 data

539 (81.42%) out of the total population of 662 reported first ancestry.

	Rocky Hill, NJ	% of the Total Population	New Jersey	U.S.
Arab	2	0.30%, see rank	0.75%	0.36%
Czech	6	0.91%, see rank	0.15%	0.27%
Danish	0	0.00%, see rank	0.15%	0.30%
Dutch	13	1.96%, see rank	0.74%	0.91%
English	92	13.90%, see rank	3.57%	5.91%
French	29	4.38%, see rank	0.94%	2.39%
German	74	11.18%, see rank	7.42%	10.81%
Greek	2	0.30%, see rank	0.60%	0.34%
Hungarian	9	1.36%, see rank	0.86%	0.32%
Irish	49	7.40%, see rank	10.49%	6.85%
Italian	82	12.39%, see rank	15.32%	4.59%
Norwegian	8	1.21%, see rank	0.39%	1.15%
Polish	26	3.93%, see rank	4.80%	2.24%
Portuguese	0	0.00%, see rank	0.76%	0.33%
Russian	20	3.02%, see rank	1.68%	0.68%
Scotch-Irish	5	0.76%, see rank	0.66%	1.17%
Scottish	21	3.17%, see rank	0.78%	1.12%
Subsaharan African	2	0.30%, see rank	0.80%	0.61%
Swedish	4	0.60%, see rank	0.39%	0.87%
Swiss	2	0.30%, see rank	0.13%	0.19%
Ukrainian	4	0.60%, see rank	0.61%	0.24%
American	12	1.81%, see rank	3.14%	7.33%
Welsh	0	0.00%, 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.