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Lyon County Historical First Ancestry Data

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ACS 2010-2014 data

10,259 (87.83%) out of the total population of 11,680 reported first ancestry.

	Lyon County	% of the Total Population	Iowa	U.S.
Arab	22	0.19%, see rank	0.27%	0.56%
Czech	22	0.19%, see rank	1.89%	0.47%
Danish	122	1.04%, see rank	1.86%	0.42%
Dutch	3,773	32.30%, see rank	4.35%	1.40%
English	352	3.01%, see rank	8.78%	8.02%
French	112	0.96%, see rank	2.60%	3.34%
German	5,364	45.92%, see rank	36.73%	15.03%
Greek	4	0.03%, see rank	0.22%	0.41%
Hungarian	11	0.09%, see rank	0.12%	0.46%
Irish	801	6.86%, see rank	14.07%	10.80%
Italian	133	1.14%, see rank	2.10%	5.52%
Norwegian	717	6.14%, see rank	5.34%	1.42%
Polish	61	0.52%, see rank	1.28%	3.01%
Portuguese	0	0.00%, see rank	0.06%	0.44%
Russian	12	0.10%, see rank	0.36%	0.92%
Scotch-Irish	20	0.17%, see rank	0.85%	0.99%
Scottish	83	0.71%, see rank	1.51%	1.72%
Subsaharan African	0	0.00%, see rank	0.56%	0.95%
Swedish	208	1.78%, see rank	2.92%	1.27%
Swiss	192	1.64%, see rank	0.47%	0.30%
Ukrainian	21	0.18%, see rank	0.09%	0.31%
American	697	5.97%, see rank	6.36%	7.12%
Welsh	36	0.31%, see rank	0.67%	0.57%

ACS 2008-2012 data

10,565 (90.90%) out of the total population of 11,623 reported first ancestry.

	Lyon County	% of the Total Population	Iowa	U.S.
Arab	9	0.08%, see rank	0.21%	0.53%
Czech	42	0.36%, see rank	1.99%	0.50%
Danish	127	1.09%, see rank	2.04%	0.45%
Dutch	3,744	32.21%, see rank	4.70%	1.51%
English	429	3.69%, see rank	9.27%	8.53%
French	188	1.62%, see rank	2.82%	3.54%
German	5,461	46.98%, see rank	38.44%	15.79%
Greek	9	0.08%, see rank	0.23%	0.42%
Hungarian	8	0.07%, see rank	0.12%	0.48%
Irish	932	8.02%, see rank	14.91%	11.36%
Italian	119	1.02%, see rank	2.14%	5.66%
Norwegian	901	7.75%, see rank	5.56%	1.46%
Polish	63	0.54%, see rank	1.31%	3.13%
Portuguese	0	0.00%, see rank	0.06%	0.46%
Russian	36	0.31%, see rank	0.38%	0.97%
Scotch-Irish	22	0.19%, see rank	0.95%	1.07%
Scottish	50	0.43%, see rank	1.58%	1.81%
Subsaharan African	2	0.02%, see rank	0.54%	0.93%
Swedish	327	2.81%, see rank	3.15%	1.34%
Swiss	179	1.54%, see rank	0.50%	0.31%
Ukrainian	12	0.10%, see rank	0.09%	0.31%
American	583	5.02%, see rank	5.98%	6.72%
Welsh	23	0.20%, see rank	0.71%	0.60%

ACS 2006-2010 data

10,692 (92.46%) out of the total population of 11,564 reported first ancestry.

	Lyon County	% of the Total Population	Iowa	U.S.
Arab	10	0.09%, see rank	0.17%	0.50%
Czech	32	0.28%, see rank	2.07%	0.53%
Danish	174	1.50%, see rank	2.20%	0.48%
Dutch	3,689	31.90%, see rank	4.90%	1.63%
English	347	3.00%, see rank	9.85%	9.02%
French	222	1.92%, see rank	3.05%	3.77%
German	5,458	47.20%, see rank	39.79%	16.51%
Greek	9	0.08%, see rank	0.24%	0.44%
Hungarian	18	0.16%, see rank	0.14%	0.51%
Irish	951	8.22%, see rank	15.41%	11.76%
Italian	70	0.61%, see rank	2.22%	5.78%
Norwegian	1,088	9.41%, see rank	5.63%	1.51%
Polish	46	0.40%, see rank	1.35%	3.24%
Portuguese	0	0.00%, see rank	0.07%	0.47%
Russian	35	0.30%, see rank	0.36%	1.01%
Scotch-Irish	40	0.35%, see rank	1.53%	1.72%
Scottish	39	0.34%, see rank	1.68%	1.92%
Subsaharan African	3	0.03%, see rank	0.51%	0.91%
Swedish	381	3.29%, see rank	3.26%	1.41%
Swiss	414	3.58%, see rank	0.53%	0.33%
Ukrainian	18	0.16%, see rank	0.09%	0.31%
American	570	4.93%, see rank	5.61%	6.28%
Welsh	35	0.30%, see rank	0.76%	0.63%

ACS 2005-2009 data

10,628 (94.27%) out of the total population of 11,274 reported first ancestry.

	Lyon County	% of the Total Population	Iowa	U.S.
Arab	10	0.09%, see rank	0.15%	0.50%
Czech	41	0.36%, see rank	2.12%	0.54%
Danish	202	1.79%, see rank	2.25%	0.49%
Dutch	3,533	31.34%, see rank	5.01%	1.68%
English	320	2.84%, see rank	10.07%	9.29%
French	240	2.13%, see rank	3.19%	3.90%
German	5,281	46.84%, see rank	40.46%	16.89%
Greek	9	0.08%, see rank	0.24%	0.45%
Hungarian	22	0.20%, see rank	0.14%	0.52%
Irish	858	7.61%, see rank	15.67%	12.01%
Italian	152	1.35%, see rank	2.18%	5.91%
Norwegian	1,112	9.86%, see rank	5.67%	1.55%
Polish	43	0.38%, see rank	1.39%	3.32%
Portuguese	0	0.00%, see rank	0.07%	0.48%
Russian	52	0.46%, see rank	0.37%	1.04%
Scotch-Irish	57	0.51%, see rank	1.58%	1.77%
Scottish	45	0.40%, see rank	1.72%	1.97%
Subsaharan African	4	0.04%, see rank	0.41%	0.88%
Swedish	391	3.47%, see rank	3.30%	1.45%
Swiss	385	3.41%, see rank	0.56%	0.34%
Ukrainian	6	0.05%, see rank	0.09%	0.32%
American	575	5.10%, see rank	5.67%	6.43%
Welsh	21	0.19%, see rank	0.78%	0.65%

US Census 2000 data

10,249 (87.13%) out of the total population of 11,763 reported first ancestry.

	Lyon County	% of the Total Population	Iowa	U.S.
Arab	0	0.00%, see rank	0.13%	0.36%
Czech	37	0.31%, see rank	1.09%	0.27%
Danish	95	0.81%, see rank	1.45%	0.30%
Dutch	3,412	29.01%, see rank	3.03%	0.91%
English	247	2.10%, see rank	5.89%	5.91%
French	66	0.56%, see rank	1.56%	2.39%
German	4,380	37.24%, see rank	28.26%	10.81%
Greek	0	0.00%, see rank	0.15%	0.34%
Hungarian	0	0.00%, see rank	0.07%	0.32%
Irish	403	3.43%, see rank	7.69%	6.85%
Italian	26	0.22%, see rank	1.28%	4.59%
Norwegian	711	6.04%, see rank	4.28%	1.15%
Polish	35	0.30%, see rank	0.70%	2.24%
Portuguese	0	0.00%, see rank	0.03%	0.33%
Russian	0	0.00%, see rank	0.17%	0.68%
Scotch-Irish	47	0.40%, see rank	1.01%	1.17%
Scottish	20	0.17%, see rank	0.88%	1.12%
Subsaharan African	18	0.15%, see rank	0.23%	0.61%
Swedish	134	1.14%, see rank	2.04%	0.87%
Swiss	67	0.57%, see rank	0.30%	0.19%
Ukrainian	0	0.00%, see rank	0.05%	0.24%
American	364	3.09%, see rank	6.73%	7.33%
Welsh	9	0.08%, 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.