USA.com / Maryland / Montgomery County / Rockville, MD / 20851 / Population and Races / Historical First Ancestry Data

20851 Zip Code Historical First Ancestry Data

Basic InfoPopulation/RacesIncome/CareersHousingEducationOthers

ACS 2010-2014 data

13,341 (92.96%) out of the total population of 14,352 reported first ancestry.

	20851 Zip Code	% of the Total Population	Maryland	U.S.
Arab	62	0.43%, see rank	0.48%	0.56%
Czech	58	0.40%, see rank	0.38%	0.47%
Danish	22	0.15%, see rank	0.18%	0.42%
Dutch	142	0.99%, see rank	0.86%	1.40%
English	709	4.94%, see rank	7.82%	8.02%
French	269	1.87%, see rank	1.89%	3.34%
German	1,240	8.64%, see rank	14.69%	15.03%
Greek	0	0.00%, see rank	0.59%	0.41%
Hungarian	78	0.54%, see rank	0.41%	0.46%
Irish	943	6.57%, see rank	11.24%	10.80%
Italian	394	2.75%, see rank	5.21%	5.52%
Norwegian	33	0.23%, see rank	0.51%	1.42%
Polish	360	2.51%, see rank	3.31%	3.01%
Portuguese	33	0.23%, see rank	0.18%	0.44%
Russian	214	1.49%, see rank	1.33%	0.92%
Scotch-Irish	64	0.45%, see rank	0.75%	0.99%
Scottish	260	1.81%, see rank	1.63%	1.72%
Subsaharan African	320	2.23%, see rank	3.62%	0.95%
Swedish	36	0.25%, see rank	0.58%	1.27%
Swiss	16	0.11%, see rank	0.20%	0.30%
Ukrainian	57	0.40%, see rank	0.37%	0.31%
American	615	4.29%, see rank	5.14%	7.12%
Welsh	37	0.26%, see rank	0.63%	0.57%

ACS 2008-2012 data

12,802 (93.68%) out of the total population of 13,665 reported first ancestry.

	20851 Zip Code	% of the Total Population	Maryland	U.S.
Arab	69	0.50%, see rank	0.46%	0.53%
Czech	44	0.32%, see rank	0.43%	0.50%
Danish	0	0.00%, see rank	0.21%	0.45%
Dutch	118	0.86%, see rank	0.95%	1.51%
English	806	5.90%, see rank	8.43%	8.53%
French	301	2.20%, see rank	2.08%	3.54%
German	1,174	8.59%, see rank	15.67%	15.79%
Greek	73	0.53%, see rank	0.59%	0.42%
Hungarian	128	0.94%, see rank	0.43%	0.48%
Irish	946	6.92%, see rank	11.84%	11.36%
Italian	407	2.98%, see rank	5.34%	5.66%
Norwegian	26	0.19%, see rank	0.51%	1.46%
Polish	389	2.85%, see rank	3.44%	3.13%
Portuguese	28	0.20%, see rank	0.18%	0.46%
Russian	194	1.42%, see rank	1.45%	0.97%
Scotch-Irish	59	0.43%, see rank	0.84%	1.07%
Scottish	231	1.69%, see rank	1.70%	1.81%
Subsaharan African	216	1.58%, see rank	3.17%	0.93%
Swedish	64	0.47%, see rank	0.61%	1.34%
Swiss	19	0.14%, see rank	0.22%	0.31%
Ukrainian	89	0.65%, see rank	0.40%	0.31%
American	494	3.62%, see rank	4.77%	6.72%
Welsh	72	0.53%, see rank	0.69%	0.60%

US Census 2000 data

11,705 (89.78%) out of the total population of 13,038 reported first ancestry.

	20851 Zip Code	% of the Total Population	Maryland	U.S.
Arab	71	0.54%, see rank	0.32%	0.36%
Czech	40	0.31%, see rank	0.21%	0.27%
Danish	21	0.16%, see rank	0.13%	0.30%
Dutch	66	0.51%, see rank	0.52%	0.91%
English	729	5.59%, see rank	6.01%	5.91%
French	223	1.71%, see rank	1.31%	2.39%
German	1,013	7.77%, see rank	10.82%	10.81%
Greek	49	0.38%, see rank	0.51%	0.34%
Hungarian	43	0.33%, see rank	0.27%	0.32%
Irish	1,135	8.71%, see rank	7.46%	6.85%
Italian	471	3.61%, see rank	4.06%	4.59%
Norwegian	110	0.84%, see rank	0.35%	1.15%
Polish	182	1.40%, see rank	2.44%	2.24%
Portuguese	42	0.32%, see rank	0.12%	0.33%
Russian	195	1.50%, see rank	1.10%	0.68%
Scotch-Irish	206	1.58%, see rank	0.95%	1.17%
Scottish	210	1.61%, see rank	1.10%	1.12%
Subsaharan African	120	0.92%, see rank	1.81%	0.61%
Swedish	37	0.28%, see rank	0.36%	0.87%
Swiss	27	0.21%, see rank	0.13%	0.19%
Ukrainian	112	0.86%, see rank	0.28%	0.24%
American	845	6.48%, see rank	5.77%	7.33%
Welsh	47	0.36%, see rank	0.38%	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.