Lewis And Clark, Montana Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 70.97K population of Lewis And Clark, MT residents comprised of 2.60K residents who identified as Hispanic or Latino (3.66%), and 68.37K residents who identified as Non-Hispanic (96.34%).

Race: The White Alone population was the largest racial group in Lewis And Clark, MT, with a population of 63.04K (88.82%). The Two Or More Races population was the second largest racial group in Lewis And Clark, MT, with a population of 5.01K (7.05%). The American Indian and Alaska Native Alone population was the third largest racial group in Lewis And Clark, MT, with a population of 1.36K (1.92%). The smallest racial group in Lewis And Clark, MT was Native Hawaiian And Pacific Islander Alone with a population of 54 (0.08%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Lewis And Clark, MT, with a population of 62.06K (87.45%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Lewis And Clark, MT, with a population of 3.93K (5.54%). The Non-Hispanic - American Indian & Alaska Native population was the third largest ethnic group in Lewis And Clark, MT, with a population of 1.23K (1.74%). The smallest ethnic group in Lewis And Clark, MT was Hispanic - Asian Alone with a population of 8 (0.01%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Lewis And Clark, Montana from the 2020 decennial census.

You can see similar information for other Montana counties and also for the state of Montana.

Lewis And Clark, MT Hispanics and Non Hispanics Population in Census 2020
Total Population:
Lewis And Clark, MT Racial Groups in Census 2020
Total Population:
Lewis And Clark, MT Ethnicity Groups in Census 2020
Total Population:
Lewis And Clark, MT Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 282 0.40
White Alone 63037 88.82
American Indian and Alaska Native Alone 1363 1.92
Asian Alone 559 0.79
Native Hawaiian And Pacific Islander Alone 54 0.08
Some Other Race Alone 673 0.95
Two Or More Races 5005 7.05
Lewis And Clark, MT Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 62063 87.45
Non-Hispanic - Two or More Races 3930 5.54
Non-Hispanic - American Indian & Alaska Native 1233 1.74
Hispanic - Two or More Races 1075 1.52
Hispanic - White Alone 974 1.37
Non-Hispanic - Asian Alone 551 0.78
Hispanic - Some Other Race Alone 386 0.54
Non-Hispanic - Some Other Race Alone 287 0.40
Non-Hispanic - Black Alone 266 0.38
Hispanic - American Indian & Alaska Native 130 0.18
Non-Hispanic - Native Hawaiian & Pac. Islander 44 0.06
Hispanic - Black Alone 16 0.02
Hispanic - Native Hawaiian & Pac. Islander 10 0.01
Hispanic - Asian Alone 8 0.01