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Westmont, CA Historical First Ancestry Data

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ACS 2010-2014 data

28,398 (92.10%) out of the total population of 30,835 reported first ancestry.

	Westmont, CA	% of the Total Population	California	U.S.
Arab	0	0.00%, see rank	0.72%	0.56%
Czech	5	0.02%, see rank	0.22%	0.47%
Danish	0	0.00%, see rank	0.46%	0.42%
Dutch	37	0.12%, see rank	0.99%	1.40%
English	43	0.14%, see rank	5.94%	8.02%
French	17	0.06%, see rank	2.15%	3.34%
German	62	0.20%, see rank	8.51%	15.03%
Greek	0	0.00%, see rank	0.35%	0.41%
Hungarian	0	0.00%, see rank	0.32%	0.46%
Irish	165	0.54%, see rank	6.69%	10.80%
Italian	18	0.06%, see rank	3.97%	5.52%
Norwegian	3	0.01%, see rank	1.02%	1.42%
Polish	25	0.08%, see rank	1.32%	3.01%
Portuguese	0	0.00%, see rank	0.91%	0.44%
Russian	104	0.34%, see rank	1.13%	0.92%
Scotch-Irish	0	0.00%, see rank	0.61%	0.99%
Scottish	3	0.01%, see rank	1.34%	1.72%
Subsaharan African	1,134	3.68%, see rank	0.69%	0.95%
Swedish	0	0.00%, see rank	1.09%	1.27%
Swiss	0	0.00%, see rank	0.27%	0.30%
Ukrainian	0	0.00%, see rank	0.27%	0.31%
American	600	1.95%, see rank	3.22%	7.12%
Welsh	0	0.00%, see rank	0.43%	0.57%

ACS 2008-2012 data

28,954 (94.98%) out of the total population of 30,483 reported first ancestry.

	Westmont, CA	% of the Total Population	California	U.S.
Arab	0	0.00%, see rank	0.70%	0.53%
Czech	0	0.00%, see rank	0.24%	0.50%
Danish	0	0.00%, see rank	0.50%	0.45%
Dutch	50	0.16%, see rank	1.08%	1.51%
English	15	0.05%, see rank	6.39%	8.53%
French	40	0.13%, see rank	2.28%	3.54%
German	45	0.15%, see rank	9.10%	15.79%
Greek	0	0.00%, see rank	0.35%	0.42%
Hungarian	0	0.00%, see rank	0.34%	0.48%
Irish	93	0.31%, see rank	7.13%	11.36%
Italian	23	0.08%, see rank	4.08%	5.66%
Norwegian	7	0.02%, see rank	1.06%	1.46%
Polish	16	0.05%, see rank	1.35%	3.13%
Portuguese	1	0.00%, see rank	0.96%	0.46%
Russian	64	0.21%, see rank	1.18%	0.97%
Scotch-Irish	0	0.00%, see rank	0.67%	1.07%
Scottish	7	0.02%, see rank	1.43%	1.81%
Subsaharan African	874	2.87%, see rank	0.72%	0.93%
Swedish	2	0.01%, see rank	1.16%	1.34%
Swiss	0	0.00%, see rank	0.28%	0.31%
Ukrainian	0	0.00%, see rank	0.26%	0.31%
American	378	1.24%, see rank	2.78%	6.72%
Welsh	0	0.00%, see rank	0.46%	0.60%

ACS 2006-2010 data

30,442 (97.26%) out of the total population of 31,301 reported first ancestry.

	Westmont, CA	% of the Total Population	California	U.S.
Arab	155	0.50%, see rank	0.66%	0.50%
Czech	0	0.00%, see rank	0.26%	0.53%
Danish	0	0.00%, see rank	0.53%	0.48%
Dutch	0	0.00%, see rank	1.15%	1.63%
English	0	0.00%, see rank	6.77%	9.02%
French	31	0.10%, see rank	2.44%	3.77%
German	62	0.20%, see rank	9.60%	16.51%
Greek	0	0.00%, see rank	0.38%	0.44%
Hungarian	0	0.00%, see rank	0.36%	0.51%
Irish	43	0.14%, see rank	7.50%	11.76%
Italian	8	0.03%, see rank	4.21%	5.78%
Norwegian	0	0.00%, see rank	1.10%	1.51%
Polish	0	0.00%, see rank	1.41%	3.24%
Portuguese	23	0.07%, see rank	1.02%	0.47%
Russian	31	0.10%, see rank	1.22%	1.01%
Scotch-Irish	0	0.00%, see rank	1.19%	1.72%
Scottish	0	0.00%, see rank	1.54%	1.92%
Subsaharan African	906	2.89%, see rank	0.72%	0.91%
Swedish	0	0.00%, see rank	1.25%	1.41%
Swiss	0	0.00%, see rank	0.31%	0.33%
Ukrainian	0	0.00%, see rank	0.26%	0.31%
American	311	0.99%, see rank	2.43%	6.28%
Welsh	0	0.00%, see rank	0.49%	0.63%

ACS 2005-2009 data

32,161 (97.67%) out of the total population of 32,929 reported first ancestry.

	Westmont, CA	% of the Total Population	California	U.S.
Arab	73	0.22%, see rank	0.66%	0.50%
Czech	0	0.00%, see rank	0.27%	0.54%
Danish	0	0.00%, see rank	0.55%	0.49%
Dutch	0	0.00%, see rank	1.19%	1.68%
English	0	0.00%, see rank	7.02%	9.29%
French	57	0.17%, see rank	2.56%	3.90%
German	54	0.16%, see rank	9.93%	16.89%
Greek	0	0.00%, see rank	0.38%	0.45%
Hungarian	0	0.00%, see rank	0.37%	0.52%
Irish	28	0.09%, see rank	7.79%	12.01%
Italian	12	0.04%, see rank	4.33%	5.91%
Norwegian	0	0.00%, see rank	1.14%	1.55%
Polish	12	0.04%, see rank	1.45%	3.32%
Portuguese	36	0.11%, see rank	1.05%	0.48%
Russian	0	0.00%, see rank	1.25%	1.04%
Scotch-Irish	0	0.00%, see rank	1.23%	1.77%
Scottish	0	0.00%, see rank	1.61%	1.97%
Subsaharan African	933	2.83%, see rank	0.71%	0.88%
Swedish	0	0.00%, see rank	1.28%	1.45%
Swiss	0	0.00%, see rank	0.32%	0.34%
Ukrainian	0	0.00%, see rank	0.27%	0.32%
American	555	1.69%, see rank	2.66%	6.43%
Welsh	0	0.00%, see rank	0.52%	0.65%

US Census 2000 data

26,953 (85.23%) out of the total population of 31,623 reported first ancestry.

	Westmont, CA	% of the Total Population	California	U.S.
Arab	29	0.09%, see rank	0.50%	0.36%
Czech	0	0.00%, see rank	0.14%	0.27%
Danish	0	0.00%, see rank	0.38%	0.30%
Dutch	0	0.00%, see rank	0.71%	0.91%
English	47	0.15%, see rank	4.91%	5.91%
French	46	0.15%, see rank	1.57%	2.39%
German	31	0.10%, see rank	6.45%	10.81%
Greek	0	0.00%, see rank	0.29%	0.34%
Hungarian	0	0.00%, see rank	0.27%	0.32%
Irish	39	0.12%, see rank	4.72%	6.85%
Italian	21	0.07%, see rank	3.41%	4.59%
Norwegian	5	0.02%, see rank	0.92%	1.15%
Polish	22	0.07%, see rank	0.95%	2.24%
Portuguese	38	0.12%, see rank	0.75%	0.33%
Russian	0	0.00%, see rank	0.90%	0.68%
Scotch-Irish	0	0.00%, see rank	0.87%	1.17%
Scottish	0	0.00%, see rank	1.00%	1.12%
Subsaharan African	702	2.22%, see rank	0.51%	0.61%
Swedish	0	0.00%, see rank	0.86%	0.87%
Swiss	0	0.00%, see rank	0.21%	0.19%
Ukrainian	0	0.00%, see rank	0.20%	0.24%
American	365	1.15%, see rank	3.37%	7.33%
Welsh	0	0.00%, see rank	0.27%	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.