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Washington County Historical First Ancestry Data

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ACS 2010-2014 data

18,207 (83.11%) out of the total population of 21,906 reported first ancestry.

	Washington County	% of the Total Population	Iowa	U.S.
Arab	15	0.07%, see rank	0.27%	0.56%
Czech	861	3.93%, see rank	1.89%	0.47%
Danish	136	0.62%, see rank	1.86%	0.42%
Dutch	625	2.85%, see rank	4.35%	1.40%
English	1,722	7.86%, see rank	8.78%	8.02%
French	678	3.10%, see rank	2.60%	3.34%
German	8,551	39.03%, see rank	36.73%	15.03%
Greek	37	0.17%, see rank	0.22%	0.41%
Hungarian	0	0.00%, see rank	0.12%	0.46%
Irish	3,001	13.70%, see rank	14.07%	10.80%
Italian	370	1.69%, see rank	2.10%	5.52%
Norwegian	551	2.52%, see rank	5.34%	1.42%
Polish	352	1.61%, see rank	1.28%	3.01%
Portuguese	10	0.05%, see rank	0.06%	0.44%
Russian	17	0.08%, see rank	0.36%	0.92%
Scotch-Irish	258	1.18%, see rank	0.85%	0.99%
Scottish	331	1.51%, see rank	1.51%	1.72%
Subsaharan African	3	0.01%, see rank	0.56%	0.95%
Swedish	517	2.36%, see rank	2.92%	1.27%
Swiss	639	2.92%, see rank	0.47%	0.30%
Ukrainian	3	0.01%, see rank	0.09%	0.31%
American	2,013	9.19%, see rank	6.36%	7.12%
Welsh	163	0.74%, see rank	0.67%	0.57%

ACS 2008-2012 data

18,496 (84.98%) out of the total population of 21,765 reported first ancestry.

	Washington County	% of the Total Population	Iowa	U.S.
Arab	2	0.01%, see rank	0.21%	0.53%
Czech	670	3.08%, see rank	1.99%	0.50%
Danish	246	1.13%, see rank	2.04%	0.45%
Dutch	708	3.25%, see rank	4.70%	1.51%
English	1,704	7.83%, see rank	9.27%	8.53%
French	648	2.98%, see rank	2.82%	3.54%
German	8,884	40.82%, see rank	38.44%	15.79%
Greek	6	0.03%, see rank	0.23%	0.42%
Hungarian	6	0.03%, see rank	0.12%	0.48%
Irish	3,407	15.65%, see rank	14.91%	11.36%
Italian	345	1.59%, see rank	2.14%	5.66%
Norwegian	596	2.74%, see rank	5.56%	1.46%
Polish	411	1.89%, see rank	1.31%	3.13%
Portuguese	0	0.00%, see rank	0.06%	0.46%
Russian	139	0.64%, see rank	0.38%	0.97%
Scotch-Irish	392	1.80%, see rank	0.95%	1.07%
Scottish	317	1.46%, see rank	1.58%	1.81%
Subsaharan African	11	0.05%, see rank	0.54%	0.93%
Swedish	420	1.93%, see rank	3.15%	1.34%
Swiss	717	3.29%, see rank	0.50%	0.31%
Ukrainian	0	0.00%, see rank	0.09%	0.31%
American	1,511	6.94%, see rank	5.98%	6.72%
Welsh	294	1.35%, see rank	0.71%	0.60%

ACS 2006-2010 data

18,133 (83.85%) out of the total population of 21,626 reported first ancestry.

	Washington County	% of the Total Population	Iowa	U.S.
Arab	0	0.00%, see rank	0.17%	0.50%
Czech	658	3.04%, see rank	2.07%	0.53%
Danish	249	1.15%, see rank	2.20%	0.48%
Dutch	717	3.32%, see rank	4.90%	1.63%
English	1,882	8.70%, see rank	9.85%	9.02%
French	527	2.44%, see rank	3.05%	3.77%
German	9,334	43.16%, see rank	39.79%	16.51%
Greek	4	0.02%, see rank	0.24%	0.44%
Hungarian	4	0.02%, see rank	0.14%	0.51%
Irish	3,296	15.24%, see rank	15.41%	11.76%
Italian	324	1.50%, see rank	2.22%	5.78%
Norwegian	645	2.98%, see rank	5.63%	1.51%
Polish	373	1.72%, see rank	1.35%	3.24%
Portuguese	0	0.00%, see rank	0.07%	0.47%
Russian	144	0.67%, see rank	0.36%	1.01%
Scotch-Irish	496	2.29%, see rank	1.53%	1.72%
Scottish	392	1.81%, see rank	1.68%	1.92%
Subsaharan African	6	0.03%, see rank	0.51%	0.91%
Swedish	620	2.87%, see rank	3.26%	1.41%
Swiss	534	2.47%, see rank	0.53%	0.33%
Ukrainian	0	0.00%, see rank	0.09%	0.31%
American	1,557	7.20%, see rank	5.61%	6.28%
Welsh	242	1.12%, see rank	0.76%	0.63%

ACS 2005-2009 data

17,806 (84.18%) out of the total population of 21,152 reported first ancestry.

	Washington County	% of the Total Population	Iowa	U.S.
Arab	36	0.17%, see rank	0.15%	0.50%
Czech	749	3.54%, see rank	2.12%	0.54%
Danish	215	1.02%, see rank	2.25%	0.49%
Dutch	757	3.58%, see rank	5.01%	1.68%
English	1,922	9.09%, see rank	10.07%	9.29%
French	701	3.31%, see rank	3.19%	3.90%
German	9,204	43.51%, see rank	40.46%	16.89%
Greek	3	0.01%, see rank	0.24%	0.45%
Hungarian	3	0.01%, see rank	0.14%	0.52%
Irish	3,429	16.21%, see rank	15.67%	12.01%
Italian	428	2.02%, see rank	2.18%	5.91%
Norwegian	542	2.56%, see rank	5.67%	1.55%
Polish	235	1.11%, see rank	1.39%	3.32%
Portuguese	0	0.00%, see rank	0.07%	0.48%
Russian	187	0.88%, see rank	0.37%	1.04%
Scotch-Irish	495	2.34%, see rank	1.58%	1.77%
Scottish	389	1.84%, see rank	1.72%	1.97%
Subsaharan African	42	0.20%, see rank	0.41%	0.88%
Swedish	546	2.58%, see rank	3.30%	1.45%
Swiss	381	1.80%, see rank	0.56%	0.34%
Ukrainian	3	0.01%, see rank	0.09%	0.32%
American	1,456	6.88%, see rank	5.67%	6.43%
Welsh	284	1.34%, see rank	0.78%	0.65%

US Census 2000 data

14,639 (70.82%) out of the total population of 20,670 reported first ancestry.

	Washington County	% of the Total Population	Iowa	U.S.
Arab	0	0.00%, see rank	0.13%	0.36%
Czech	333	1.61%, see rank	1.09%	0.27%
Danish	46	0.22%, see rank	1.45%	0.30%
Dutch	326	1.58%, see rank	3.03%	0.91%
English	1,204	5.82%, see rank	5.89%	5.91%
French	364	1.76%, see rank	1.56%	2.39%
German	5,942	28.75%, see rank	28.26%	10.81%
Greek	21	0.10%, see rank	0.15%	0.34%
Hungarian	0	0.00%, see rank	0.07%	0.32%
Irish	1,488	7.20%, see rank	7.69%	6.85%
Italian	111	0.54%, see rank	1.28%	4.59%
Norwegian	275	1.33%, see rank	4.28%	1.15%
Polish	159	0.77%, see rank	0.70%	2.24%
Portuguese	0	0.00%, see rank	0.03%	0.33%
Russian	47	0.23%, see rank	0.17%	0.68%
Scotch-Irish	281	1.36%, see rank	1.01%	1.17%
Scottish	275	1.33%, see rank	0.88%	1.12%
Subsaharan African	0	0.00%, see rank	0.23%	0.61%
Swedish	248	1.20%, see rank	2.04%	0.87%
Swiss	218	1.05%, see rank	0.30%	0.19%
Ukrainian	20	0.10%, see rank	0.05%	0.24%
American	1,769	8.56%, see rank	6.73%	7.33%
Welsh	142	0.69%, see rank	0.39%	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.