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Williamson County Historical First Ancestry Data

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ACS 2010-2014 data

396,858 (86.80%) out of the total population of 457,218 reported first ancestry.

	Williamson County	% of the Total Population	Texas	U.S.
Arab	1,734	0.38%, see rank	0.41%	0.56%
Czech	8,132	1.78%, see rank	0.78%	0.47%
Danish	1,457	0.32%, see rank	0.18%	0.42%
Dutch	5,737	1.25%, see rank	0.82%	1.40%
English	43,207	9.45%, see rank	6.41%	8.02%
French	16,331	3.57%, see rank	2.40%	3.34%
German	79,087	17.30%, see rank	10.11%	15.03%
Greek	1,117	0.24%, see rank	0.18%	0.41%
Hungarian	1,312	0.29%, see rank	0.15%	0.46%
Irish	45,025	9.85%, see rank	7.15%	10.80%
Italian	14,903	3.26%, see rank	1.91%	5.52%
Norwegian	4,960	1.08%, see rank	0.51%	1.42%
Polish	8,724	1.91%, see rank	1.09%	3.01%
Portuguese	921	0.20%, see rank	0.12%	0.44%
Russian	1,974	0.43%, see rank	0.31%	0.92%
Scotch-Irish	7,821	1.71%, see rank	1.03%	0.99%
Scottish	9,662	2.11%, see rank	1.41%	1.72%
Subsaharan African	3,916	0.86%, see rank	0.98%	0.95%
Swedish	6,439	1.41%, see rank	0.57%	1.27%
Swiss	1,182	0.26%, see rank	0.12%	0.30%
Ukrainian	423	0.09%, see rank	0.08%	0.31%
American	29,777	6.51%, see rank	5.70%	7.12%
Welsh	2,711	0.59%, see rank	0.37%	0.57%

ACS 2008-2012 data

379,588 (89.04%) out of the total population of 426,296 reported first ancestry.

	Williamson County	% of the Total Population	Texas	U.S.
Arab	2,024	0.47%, see rank	0.39%	0.53%
Czech	9,640	2.26%, see rank	0.83%	0.50%
Danish	1,763	0.41%, see rank	0.20%	0.45%
Dutch	4,902	1.15%, see rank	0.89%	1.51%
English	41,513	9.74%, see rank	6.82%	8.53%
French	14,410	3.38%, see rank	2.52%	3.54%
German	77,521	18.18%, see rank	10.61%	15.79%
Greek	1,287	0.30%, see rank	0.18%	0.42%
Hungarian	1,241	0.29%, see rank	0.15%	0.48%
Irish	44,814	10.51%, see rank	7.50%	11.36%
Italian	13,661	3.20%, see rank	1.91%	5.66%
Norwegian	4,091	0.96%, see rank	0.51%	1.46%
Polish	8,076	1.89%, see rank	1.10%	3.13%
Portuguese	962	0.23%, see rank	0.11%	0.46%
Russian	2,394	0.56%, see rank	0.32%	0.97%
Scotch-Irish	7,556	1.77%, see rank	1.11%	1.07%
Scottish	11,006	2.58%, see rank	1.48%	1.81%
Subsaharan African	2,751	0.65%, see rank	0.94%	0.93%
Swedish	7,334	1.72%, see rank	0.61%	1.34%
Swiss	1,281	0.30%, see rank	0.13%	0.31%
Ukrainian	401	0.09%, see rank	0.08%	0.31%
American	26,347	6.18%, see rank	5.60%	6.72%
Welsh	3,053	0.72%, see rank	0.39%	0.60%

ACS 2006-2010 data

355,020 (90.63%) out of the total population of 391,715 reported first ancestry.

	Williamson County	% of the Total Population	Texas	U.S.
Arab	1,951	0.50%, see rank	0.37%	0.50%
Czech	9,593	2.45%, see rank	0.89%	0.53%
Danish	1,815	0.46%, see rank	0.21%	0.48%
Dutch	5,216	1.33%, see rank	1.00%	1.63%
English	41,029	10.47%, see rank	7.30%	9.02%
French	14,331	3.66%, see rank	2.69%	3.77%
German	78,565	20.06%, see rank	11.01%	16.51%
Greek	775	0.20%, see rank	0.18%	0.44%
Hungarian	1,232	0.31%, see rank	0.15%	0.51%
Irish	43,646	11.14%, see rank	7.86%	11.76%
Italian	12,128	3.10%, see rank	1.92%	5.78%
Norwegian	4,754	1.21%, see rank	0.55%	1.51%
Polish	8,053	2.06%, see rank	1.15%	3.24%
Portuguese	713	0.18%, see rank	0.11%	0.47%
Russian	2,279	0.58%, see rank	0.34%	1.01%
Scotch-Irish	9,761	2.49%, see rank	1.66%	1.72%
Scottish	11,148	2.85%, see rank	1.60%	1.92%
Subsaharan African	2,002	0.51%, see rank	0.93%	0.91%
Swedish	7,448	1.90%, see rank	0.65%	1.41%
Swiss	1,355	0.35%, see rank	0.14%	0.33%
Ukrainian	410	0.10%, see rank	0.08%	0.31%
American	18,753	4.79%, see rank	5.62%	6.28%
Welsh	2,909	0.74%, see rank	0.42%	0.63%

ACS 2005-2009 data

339,621 (91.19%) out of the total population of 372,438 reported first ancestry.

	Williamson County	% of the Total Population	Texas	U.S.
Arab	1,506	0.40%, see rank	0.36%	0.50%
Czech	8,977	2.41%, see rank	0.91%	0.54%
Danish	1,684	0.45%, see rank	0.22%	0.49%
Dutch	5,010	1.35%, see rank	1.05%	1.68%
English	41,458	11.13%, see rank	7.61%	9.29%
French	14,613	3.92%, see rank	2.82%	3.90%
German	74,540	20.01%, see rank	11.31%	16.89%
Greek	983	0.26%, see rank	0.18%	0.45%
Hungarian	1,078	0.29%, see rank	0.15%	0.52%
Irish	42,344	11.37%, see rank	8.11%	12.01%
Italian	12,118	3.25%, see rank	1.97%	5.91%
Norwegian	4,243	1.14%, see rank	0.57%	1.55%
Polish	7,428	1.99%, see rank	1.17%	3.32%
Portuguese	686	0.18%, see rank	0.11%	0.48%
Russian	2,630	0.71%, see rank	0.35%	1.04%
Scotch-Irish	10,527	2.83%, see rank	1.75%	1.77%
Scottish	10,826	2.91%, see rank	1.65%	1.97%
Subsaharan African	1,592	0.43%, see rank	0.91%	0.88%
Swedish	7,277	1.95%, see rank	0.67%	1.45%
Swiss	1,165	0.31%, see rank	0.15%	0.34%
Ukrainian	418	0.11%, see rank	0.08%	0.32%
American	20,619	5.54%, see rank	6.00%	6.43%
Welsh	2,499	0.67%, see rank	0.43%	0.65%

US Census 2000 data

199,106 (79.65%) out of the total population of 249,967 reported first ancestry.

	Williamson County	% of the Total Population	Texas	U.S.
Arab	921	0.37%, see rank	0.26%	0.36%
Czech	4,318	1.73%, see rank	0.53%	0.27%
Danish	774	0.31%, see rank	0.13%	0.30%
Dutch	1,706	0.68%, see rank	0.54%	0.91%
English	19,414	7.77%, see rank	5.11%	5.91%
French	6,111	2.44%, see rank	1.65%	2.39%
German	35,746	14.30%, see rank	7.27%	10.81%
Greek	424	0.17%, see rank	0.12%	0.34%
Hungarian	321	0.13%, see rank	0.09%	0.32%
Irish	16,181	6.47%, see rank	4.58%	6.85%
Italian	5,687	2.28%, see rank	1.36%	4.59%
Norwegian	1,963	0.79%, see rank	0.42%	1.15%
Polish	2,729	1.09%, see rank	0.77%	2.24%
Portuguese	349	0.14%, see rank	0.06%	0.33%
Russian	594	0.24%, see rank	0.19%	0.68%
Scotch-Irish	4,459	1.78%, see rank	1.28%	1.17%
Scottish	4,161	1.66%, see rank	0.96%	1.12%
Subsaharan African	1,253	0.50%, see rank	0.62%	0.61%
Swedish	2,917	1.17%, see rank	0.39%	0.87%
Swiss	435	0.17%, see rank	0.08%	0.19%
Ukrainian	101	0.04%, see rank	0.05%	0.24%
American	17,437	6.98%, see rank	7.45%	7.33%
Welsh	907	0.36%, see rank	0.22%	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.