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Clayton County Historical First Ancestry Data

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ACS 2010-2014 data

15,294 (85.44%) out of the total population of 17,900 reported first ancestry.

	Clayton County	% of the Total Population	Iowa	U.S.
Arab	6	0.03%, see rank	0.27%	0.56%
Czech	344	1.92%, see rank	1.89%	0.47%
Danish	129	0.72%, see rank	1.86%	0.42%
Dutch	175	0.98%, see rank	4.35%	1.40%
English	1,599	8.93%, see rank	8.78%	8.02%
French	314	1.75%, see rank	2.60%	3.34%
German	9,975	55.73%, see rank	36.73%	15.03%
Greek	27	0.15%, see rank	0.22%	0.41%
Hungarian	20	0.11%, see rank	0.12%	0.46%
Irish	2,294	12.82%, see rank	14.07%	10.80%
Italian	155	0.87%, see rank	2.10%	5.52%
Norwegian	1,650	9.22%, see rank	5.34%	1.42%
Polish	84	0.47%, see rank	1.28%	3.01%
Portuguese	53	0.30%, see rank	0.06%	0.44%
Russian	24	0.13%, see rank	0.36%	0.92%
Scotch-Irish	146	0.82%, see rank	0.85%	0.99%
Scottish	197	1.10%, see rank	1.51%	1.72%
Subsaharan African	108	0.60%, see rank	0.56%	0.95%
Swedish	281	1.57%, see rank	2.92%	1.27%
Swiss	315	1.76%, see rank	0.47%	0.30%
Ukrainian	0	0.00%, see rank	0.09%	0.31%
American	1,114	6.22%, see rank	6.36%	7.12%
Welsh	114	0.64%, see rank	0.67%	0.57%

ACS 2008-2012 data

15,905 (88.09%) out of the total population of 18,056 reported first ancestry.

	Clayton County	% of the Total Population	Iowa	U.S.
Arab	12	0.07%, see rank	0.21%	0.53%
Czech	383	2.12%, see rank	1.99%	0.50%
Danish	158	0.88%, see rank	2.04%	0.45%
Dutch	167	0.92%, see rank	4.70%	1.51%
English	1,770	9.80%, see rank	9.27%	8.53%
French	450	2.49%, see rank	2.82%	3.54%
German	10,760	59.59%, see rank	38.44%	15.79%
Greek	20	0.11%, see rank	0.23%	0.42%
Hungarian	11	0.06%, see rank	0.12%	0.48%
Irish	2,347	13.00%, see rank	14.91%	11.36%
Italian	189	1.05%, see rank	2.14%	5.66%
Norwegian	1,639	9.08%, see rank	5.56%	1.46%
Polish	129	0.71%, see rank	1.31%	3.13%
Portuguese	61	0.34%, see rank	0.06%	0.46%
Russian	21	0.12%, see rank	0.38%	0.97%
Scotch-Irish	175	0.97%, see rank	0.95%	1.07%
Scottish	236	1.31%, see rank	1.58%	1.81%
Subsaharan African	33	0.18%, see rank	0.54%	0.93%
Swedish	370	2.05%, see rank	3.15%	1.34%
Swiss	271	1.50%, see rank	0.50%	0.31%
Ukrainian	0	0.00%, see rank	0.09%	0.31%
American	1,033	5.72%, see rank	5.98%	6.72%
Welsh	135	0.75%, see rank	0.71%	0.60%

ACS 2006-2010 data

16,322 (89.67%) out of the total population of 18,202 reported first ancestry.

	Clayton County	% of the Total Population	Iowa	U.S.
Arab	8	0.04%, see rank	0.17%	0.50%
Czech	490	2.69%, see rank	2.07%	0.53%
Danish	147	0.81%, see rank	2.20%	0.48%
Dutch	246	1.35%, see rank	4.90%	1.63%
English	1,761	9.67%, see rank	9.85%	9.02%
French	569	3.13%, see rank	3.05%	3.77%
German	11,056	60.74%, see rank	39.79%	16.51%
Greek	9	0.05%, see rank	0.24%	0.44%
Hungarian	9	0.05%, see rank	0.14%	0.51%
Irish	2,384	13.10%, see rank	15.41%	11.76%
Italian	199	1.09%, see rank	2.22%	5.78%
Norwegian	1,842	10.12%, see rank	5.63%	1.51%
Polish	113	0.62%, see rank	1.35%	3.24%
Portuguese	2	0.01%, see rank	0.07%	0.47%
Russian	25	0.14%, see rank	0.36%	1.01%
Scotch-Irish	132	0.73%, see rank	1.53%	1.72%
Scottish	186	1.02%, see rank	1.68%	1.92%
Subsaharan African	70	0.38%, see rank	0.51%	0.91%
Swedish	298	1.64%, see rank	3.26%	1.41%
Swiss	385	2.12%, see rank	0.53%	0.33%
Ukrainian	0	0.00%, see rank	0.09%	0.31%
American	923	5.07%, see rank	5.61%	6.28%
Welsh	173	0.95%, see rank	0.76%	0.63%

ACS 2005-2009 data

15,869 (89.82%) out of the total population of 17,667 reported first ancestry.

	Clayton County	% of the Total Population	Iowa	U.S.
Arab	9	0.05%, see rank	0.15%	0.50%
Czech	428	2.42%, see rank	2.12%	0.54%
Danish	146	0.83%, see rank	2.25%	0.49%
Dutch	240	1.36%, see rank	5.01%	1.68%
English	1,470	8.32%, see rank	10.07%	9.29%
French	553	3.13%, see rank	3.19%	3.90%
German	10,804	61.15%, see rank	40.46%	16.89%
Greek	12	0.07%, see rank	0.24%	0.45%
Hungarian	9	0.05%, see rank	0.14%	0.52%
Irish	2,522	14.28%, see rank	15.67%	12.01%
Italian	198	1.12%, see rank	2.18%	5.91%
Norwegian	1,839	10.41%, see rank	5.67%	1.55%
Polish	126	0.71%, see rank	1.39%	3.32%
Portuguese	4	0.02%, see rank	0.07%	0.48%
Russian	58	0.33%, see rank	0.37%	1.04%
Scotch-Irish	161	0.91%, see rank	1.58%	1.77%
Scottish	202	1.14%, see rank	1.72%	1.97%
Subsaharan African	40	0.23%, see rank	0.41%	0.88%
Swedish	276	1.56%, see rank	3.30%	1.45%
Swiss	390	2.21%, see rank	0.56%	0.34%
Ukrainian	0	0.00%, see rank	0.09%	0.32%
American	801	4.53%, see rank	5.67%	6.43%
Welsh	105	0.59%, see rank	0.78%	0.65%

US Census 2000 data

15,170 (81.22%) out of the total population of 18,678 reported first ancestry.

	Clayton County	% of the Total Population	Iowa	U.S.
Arab	10	0.05%, see rank	0.13%	0.36%
Czech	200	1.07%, see rank	1.09%	0.27%
Danish	72	0.39%, see rank	1.45%	0.30%
Dutch	73	0.39%, see rank	3.03%	0.91%
English	757	4.05%, see rank	5.89%	5.91%
French	214	1.15%, see rank	1.56%	2.39%
German	9,282	49.69%, see rank	28.26%	10.81%
Greek	6	0.03%, see rank	0.15%	0.34%
Hungarian	6	0.03%, see rank	0.07%	0.32%
Irish	1,103	5.91%, see rank	7.69%	6.85%
Italian	56	0.30%, see rank	1.28%	4.59%
Norwegian	1,124	6.02%, see rank	4.28%	1.15%
Polish	92	0.49%, see rank	0.70%	2.24%
Portuguese	6	0.03%, see rank	0.03%	0.33%
Russian	64	0.34%, see rank	0.17%	0.68%
Scotch-Irish	94	0.50%, see rank	1.01%	1.17%
Scottish	135	0.72%, see rank	0.88%	1.12%
Subsaharan African	11	0.06%, see rank	0.23%	0.61%
Swedish	157	0.84%, see rank	2.04%	0.87%
Swiss	192	1.03%, see rank	0.30%	0.19%
Ukrainian	13	0.07%, see rank	0.05%	0.24%
American	909	4.87%, see rank	6.73%	7.33%
Welsh	42	0.22%, 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.