Population By Race and Ethnicity in Lewis and Clark County, MT in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 63,578 population of Lewis and Clark County, Montana comprised of 1,615 people who identified as Hispanic (2.54%), and 61,963 people who identified as Non-Hispanic (97.46%).

Race: The White Alone population was the largest racial group in Lewis and Clark County, Montana with a population of 60,186 (94.67%); Two Or More Races population was the second largest racial group with a population of 1,413 (2.22%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 1,350 (2.12%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Lewis and Clark County, Montana in 2010, with a population of 58,830 (92.53%); the second largest ethnic group was White Alone - Hispanic with a population of 1,356 (2.13%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 1,285 (2.02%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Lewis and Clark, Montana.

You can find similar information for other Montana counties, and for Montana.

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Hispanics and Non Hispanics in Lewis and Clark County, MT in 2010
Total Population:
Race in Lewis and Clark County, MT in 2010
Total Population:
Ethnicity in Lewis and Clark County, MT in 2010
Total Population:
Population By Race in Lewis and Clark , MT in 2010
Race Population Percentage
Black or African American Alone 224 0.35%
White Alone 60,186 94.67%
American Indian and Alaska Native Alone 1,350 2.12%
Asian Alone 355 0.56%
Native Hawaiian And Pacific Islander Alone 50 0.08%
Two Or More Races 1,413 2.22%
Population By Ethnicity in Lewis and Clark , MT in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 16 0.03%
White Alone - Hispanic 1,356 2.13%
American Indian and Alaska Native Alone - Hispanic 105 0.17%
Asian Alone - Hispanic 6 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 4 0.01%
Two Or More Races - Hispanic 128 0.2%
Black or African American Alone - Non Hispanic 208 0.33%
White Alone - Non Hispanic 58,830 92.53%
American Indian and Alaska Native Alone - Non Hispanic 1,245 1.96%
Asian Alone - Non Hispanic 349 0.55%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 46 0.07%
Two Or More Races - Non Hispanic 1,285 2.02%