Population By Race and Ethnicity in Lewis and Clark County, MT in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the 75,011 population of Lewis and Clark County, Montana comprised of 3,152 people who identified as Hispanic (4.2%), and 71,859 people who identified as Non-Hispanic (95.8%).

Race: The White Alone population was the largest racial group in Lewis and Clark County, Montana with a population of 70,196 (93.58%); Two Or More Races population was the second largest racial group with a population of 2,042 (2.72%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 1,620 (2.16%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Lewis and Clark County, Montana in 2023, with a population of 67,660 (90.2%); the second largest ethnic group was White Alone - Hispanic with a population of 2,536 (3.38%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 1,794 (2.39%).

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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Lewis and Clark County, MT in 2023

Total Population:75,011

Non Hispanic (95.8%)

Hispanic (4.2%)

Race in Lewis and Clark County, MT in 2023

Total Population:75,011

White Alone (93.58%)

Two or more races (2.72%)

American Indian and Alaska Native Alone (2.16%)

Asian Alone (0.88%)

Black or African American Alone (0.56%)

Native Hawaiian And Pacific Islander Alone (0.1%)

Ethnicity in Lewis and Clark County, MT in 2023

Total Population:75,011

Non-Hispanic White Alone (90.2%)

Hispanic White Alone (3.38%)

Non-Hispanic Two or more races (2.39%)

Non-Hispanic American Indian and Alaska Native Alone (1.79%)

All Other Ethnicities (1.40%)

Non-Hispanic Asian Alone (0.84%)

Population By Race in Lewis and Clark , MT in 2023

Race	Population	Percentage
White Alone	70,196	93.58%
Two Or More Races	2,042	2.72%
American Indian and Alaska Native Alone	1,620	2.16%
Asian Alone	663	0.88%
Black or African American Alone	419	0.56%
Native Hawaiian And Pacific Islander Alone	71	0.1%

Population By Ethnicity in Lewis and Clark , MT in 2023

Ethnicity	Population	Percentage
White Alone - Non Hispanic	67,660	90.2%
White Alone - Hispanic	2,536	3.38%
Two Or More Races - Non Hispanic	1,794	2.39%
American Indian and Alaska Native Alone - Non Hispanic	1,340	1.79%
Asian Alone - Non Hispanic	632	0.84%
Black or African American Alone - Non Hispanic	377	0.5%
American Indian and Alaska Native Alone - Hispanic	280	0.37%
Two Or More Races - Hispanic	248	0.33%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	56	0.08%
Black or African American Alone - Hispanic	42	0.06%
Asian Alone - Hispanic	31	0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic	15	0.02%