Population By Race and Ethnicity in Lewis and Clark County, MT in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 64,284 population of Lewis and Clark County, Montana comprised of 1,714 people who identified as Hispanic (2.67%), and 62,570 people who identified as Non-Hispanic (97.33%).

Race: The White Alone population was the largest racial group in Lewis and Clark County, Montana with a population of 60,764 (94.52%); Two Or More Races population was the second largest racial group with a population of 1,451 (2.26%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 1,342 (2.09%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Lewis and Clark County, Montana in 2011, with a population of 59,351 (92.33%); the second largest ethnic group was White Alone - Hispanic with a population of 1,413 (2.2%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 1,302 (2.03%).

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 2011
Total Population:
Race in Lewis and Clark County, MT in 2011
Total Population:
Ethnicity in Lewis and Clark County, MT in 2011
Total Population:
Population By Race in Lewis and Clark , MT in 2011
Race Population Percentage
Black or African American Alone 313 0.49%
White Alone 60,764 94.52%
American Indian and Alaska Native Alone 1,342 2.09%
Asian Alone 361 0.56%
Native Hawaiian And Pacific Islander Alone 53 0.08%
Two Or More Races 1,451 2.26%
Population By Ethnicity in Lewis and Clark , MT in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 22 0.03%
White Alone - Hispanic 1,413 2.2%
American Indian and Alaska Native Alone - Hispanic 115 0.18%
Asian Alone - Hispanic 7 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 8 0.01%
Two Or More Races - Hispanic 149 0.23%
Black or African American Alone - Non Hispanic 291 0.45%
White Alone - Non Hispanic 59,351 92.33%
American Indian and Alaska Native Alone - Non Hispanic 1,227 1.91%
Asian Alone - Non Hispanic 354 0.55%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 45 0.07%
Two Or More Races - Non Hispanic 1,302 2.03%