Lewis and Clark County, Montana
Demographics

Lewis and Clark County, Montana

Section Title: Demographics
Table Section Text: None

Historical population

Census	Pop.	%±

1870	5,040	—

1880	6,521	29.4%

1890	19,145	193.6%

1900	19,171	0.1%

1910	21,853	14.0%

1920	18,660	−14.6%

1930	18,224	−2.3%

1940	22,131	21.4%

1950	24,540	10.9%

1960	28,006	14.1%

1970	33,281	18.8%

1980	43,039	29.3%

1990	47,495	10.4%

2000	55,716	17.3%

2010	63,395	13.8%

Est. 2017	67,773	6.9%

US Decennial Census 1790-1960 1900-1990 1990-2000 2010-2017

Sentence(s)

As of 2000, there were 55,716 people in the Lewis and Clark County.

final_sentence: As of 2000, there were 55,716 people in the Lewis and Clark County.