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Lewis And Clark County Historical First Ancestry Data

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ACS 2010-2014 data

55,279 (85.34%) out of the total population of 64,772 reported first ancestry.

	Lewis And Clark County	% of the Total Population	Montana	U.S.
Arab	140	0.22%, see rank	0.16%	0.56%
Czech	619	0.96%, see rank	0.81%	0.47%
Danish	1,075	1.66%, see rank	1.27%	0.42%
Dutch	1,474	2.28%, see rank	2.36%	1.40%
English	8,261	12.75%, see rank	11.52%	8.02%
French	3,144	4.85%, see rank	4.37%	3.34%
German	18,347	28.33%, see rank	26.76%	15.03%
Greek	625	0.96%, see rank	0.35%	0.41%
Hungarian	379	0.59%, see rank	0.31%	0.46%
Irish	11,843	18.28%, see rank	14.43%	10.80%
Italian	2,948	4.55%, see rank	3.41%	5.52%
Norwegian	6,345	9.80%, see rank	9.35%	1.42%
Polish	1,670	2.58%, see rank	2.05%	3.01%
Portuguese	426	0.66%, see rank	0.20%	0.44%
Russian	527	0.81%, see rank	1.07%	0.92%
Scotch-Irish	1,091	1.68%, see rank	1.52%	0.99%
Scottish	2,238	3.46%, see rank	3.05%	1.72%
Subsaharan African	129	0.20%, see rank	0.12%	0.95%
Swedish	2,595	4.01%, see rank	3.04%	1.27%
Swiss	403	0.62%, see rank	0.55%	0.30%
Ukrainian	201	0.31%, see rank	0.22%	0.31%
American	2,530	3.91%, see rank	7.48%	7.12%
Welsh	611	0.94%, see rank	0.97%	0.57%

ACS 2008-2012 data

56,353 (88.84%) out of the total population of 63,432 reported first ancestry.

	Lewis And Clark County	% of the Total Population	Montana	U.S.
Arab	215	0.34%, see rank	0.20%	0.53%
Czech	618	0.97%, see rank	0.80%	0.50%
Danish	778	1.23%, see rank	1.29%	0.45%
Dutch	1,191	1.88%, see rank	2.55%	1.51%
English	8,633	13.61%, see rank	12.37%	8.53%
French	3,505	5.53%, see rank	4.68%	3.54%
German	18,545	29.24%, see rank	27.58%	15.79%
Greek	464	0.73%, see rank	0.31%	0.42%
Hungarian	305	0.48%, see rank	0.33%	0.48%
Irish	12,039	18.98%, see rank	15.42%	11.36%
Italian	2,577	4.06%, see rank	3.47%	5.66%
Norwegian	5,600	8.83%, see rank	9.43%	1.46%
Polish	1,747	2.75%, see rank	2.11%	3.13%
Portuguese	218	0.34%, see rank	0.22%	0.46%
Russian	529	0.83%, see rank	1.04%	0.97%
Scotch-Irish	1,286	2.03%, see rank	1.59%	1.07%
Scottish	2,777	4.38%, see rank	3.26%	1.81%
Subsaharan African	105	0.17%, see rank	0.13%	0.93%
Swedish	2,621	4.13%, see rank	3.27%	1.34%
Swiss	364	0.57%, see rank	0.63%	0.31%
Ukrainian	266	0.42%, see rank	0.23%	0.31%
American	3,100	4.89%, see rank	7.10%	6.72%
Welsh	668	1.05%, see rank	1.09%	0.60%

ACS 2006-2010 data

55,584 (90.17%) out of the total population of 61,643 reported first ancestry.

	Lewis And Clark County	% of the Total Population	Montana	U.S.
Arab	154	0.25%, see rank	0.19%	0.50%
Czech	529	0.86%, see rank	0.89%	0.53%
Danish	984	1.60%, see rank	1.48%	0.48%
Dutch	1,332	2.16%, see rank	2.72%	1.63%
English	9,254	15.01%, see rank	13.01%	9.02%
French	3,634	5.90%, see rank	5.09%	3.77%
German	18,012	29.22%, see rank	29.18%	16.51%
Greek	241	0.39%, see rank	0.32%	0.44%
Hungarian	103	0.17%, see rank	0.35%	0.51%
Irish	11,894	19.29%, see rank	16.13%	11.76%
Italian	2,719	4.41%, see rank	3.61%	5.78%
Norwegian	5,467	8.87%, see rank	9.86%	1.51%
Polish	1,935	3.14%, see rank	2.11%	3.24%
Portuguese	358	0.58%, see rank	0.26%	0.47%
Russian	445	0.72%, see rank	1.02%	1.01%
Scotch-Irish	1,968	3.19%, see rank	2.61%	1.72%
Scottish	2,606	4.23%, see rank	3.33%	1.92%
Subsaharan African	169	0.27%, see rank	0.15%	0.91%
Swedish	2,452	3.98%, see rank	3.43%	1.41%
Swiss	296	0.48%, see rank	0.65%	0.33%
Ukrainian	298	0.48%, see rank	0.27%	0.31%
American	3,138	5.09%, see rank	6.09%	6.28%
Welsh	629	1.02%, see rank	1.05%	0.63%

ACS 2005-2009 data

54,336 (90.44%) out of the total population of 60,081 reported first ancestry.

	Lewis And Clark County	% of the Total Population	Montana	U.S.
Arab	149	0.25%, see rank	0.18%	0.50%
Czech	506	0.84%, see rank	0.85%	0.54%
Danish	1,082	1.80%, see rank	1.54%	0.49%
Dutch	1,329	2.21%, see rank	2.70%	1.68%
English	8,875	14.77%, see rank	13.16%	9.29%
French	3,438	5.72%, see rank	5.24%	3.90%
German	18,550	30.87%, see rank	29.47%	16.89%
Greek	185	0.31%, see rank	0.28%	0.45%
Hungarian	96	0.16%, see rank	0.34%	0.52%
Irish	11,958	19.90%, see rank	16.07%	12.01%
Italian	2,374	3.95%, see rank	3.63%	5.91%
Norwegian	5,459	9.09%, see rank	10.09%	1.55%
Polish	1,623	2.70%, see rank	2.03%	3.32%
Portuguese	288	0.48%, see rank	0.26%	0.48%
Russian	577	0.96%, see rank	1.04%	1.04%
Scotch-Irish	1,928	3.21%, see rank	2.68%	1.77%
Scottish	2,507	4.17%, see rank	3.44%	1.97%
Subsaharan African	116	0.19%, see rank	0.17%	0.88%
Swedish	2,257	3.76%, see rank	3.51%	1.45%
Swiss	225	0.37%, see rank	0.66%	0.34%
Ukrainian	260	0.43%, see rank	0.26%	0.32%
American	3,120	5.19%, see rank	5.74%	6.43%
Welsh	904	1.50%, see rank	1.15%	0.65%

US Census 2000 data

45,013 (80.79%) out of the total population of 55,716 reported first ancestry.

	Lewis And Clark County	% of the Total Population	Montana	U.S.
Arab	28	0.05%, see rank	0.09%	0.36%
Czech	203	0.36%, see rank	0.41%	0.27%
Danish	496	0.89%, see rank	1.05%	0.30%
Dutch	614	1.10%, see rank	1.38%	0.91%
English	4,888	8.77%, see rank	7.73%	5.91%
French	2,018	3.62%, see rank	3.07%	2.39%
German	10,209	18.32%, see rank	19.29%	10.81%
Greek	86	0.15%, see rank	0.18%	0.34%
Hungarian	108	0.19%, see rank	0.21%	0.32%
Irish	6,971	12.51%, see rank	8.92%	6.85%
Italian	1,503	2.70%, see rank	2.32%	4.59%
Norwegian	4,280	7.68%, see rank	8.00%	1.15%
Polish	690	1.24%, see rank	1.23%	2.24%
Portuguese	110	0.20%, see rank	0.11%	0.33%
Russian	194	0.35%, see rank	0.45%	0.68%
Scotch-Irish	1,248	2.24%, see rank	1.89%	1.17%
Scottish	1,217	2.18%, see rank	1.90%	1.12%
Subsaharan African	5	0.01%, see rank	0.03%	0.61%
Swedish	1,172	2.10%, see rank	1.94%	0.87%
Swiss	145	0.26%, see rank	0.35%	0.19%
Ukrainian	44	0.08%, see rank	0.14%	0.24%
American	2,748	4.93%, see rank	5.11%	7.33%
Welsh	246	0.44%, see rank	0.47%	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.