Population By Race and Ethnicity in Lewis and Clark County, MT in 2017

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2017, the 67,988 population of Lewis and Clark County, Montana comprised of 2,337 people who identified as Hispanic (3.44%), and 65,651 people who identified as Non-Hispanic (96.56%).

Race: The White Alone population was the largest racial group in Lewis and Clark County, Montana with a population of 63,921 (94.02%); Two Or More Races population was the second largest racial group with a population of 1,642 (2.42%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 1,532 (2.25%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Lewis and Clark County, Montana in 2017, with a population of 62,106 (91.35%); the second largest ethnic group was White Alone - Hispanic with a population of 1,815 (2.67%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 1,465 (2.15%).

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 2017
Total Population:
Race in Lewis and Clark County, MT in 2017
Total Population:
Ethnicity in Lewis and Clark County, MT in 2017
Total Population:
Population By Race in Lewis and Clark , MT in 2017
Race Population Percentage
Black or African American Alone 316 0.47%
White Alone 63,921 94.02%
American Indian and Alaska Native Alone 1,532 2.25%
Asian Alone 505 0.74%
Native Hawaiian And Pacific Islander Alone 72 0.11%
Two Or More Races 1,642 2.42%
Population By Ethnicity in Lewis and Clark , MT in 2017
Ethnicity Population Percentage
Black or African American Alone - Hispanic 41 0.06%
White Alone - Hispanic 1,815 2.67%
American Indian and Alaska Native Alone - Hispanic 268 0.39%
Asian Alone - Hispanic 16 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 20 0.03%
Two Or More Races - Hispanic 177 0.26%
Black or African American Alone - Non Hispanic 275 0.4%
White Alone - Non Hispanic 62,106 91.35%
American Indian and Alaska Native Alone - Non Hispanic 1,264 1.86%
Asian Alone - Non Hispanic 489 0.72%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 52 0.08%
Two Or More Races - Non Hispanic 1,465 2.15%