Population By Race and Ethnicity in Jefferson County, MT in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the 13,048 population of Jefferson County, Montana comprised of 401 people who identified as Hispanic (3.07%), and 12,647 people who identified as Non-Hispanic (96.93%).

Race: The White Alone population was the largest racial group in Jefferson County, Montana with a population of 12,259 (93.95%); Two Or More Races population was the second largest racial group with a population of 367 (2.81%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 245 (1.88%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Montana in 2023, with a population of 11,924 (91.39%); the second largest ethnic group was White Alone - Hispanic with a population of 335 (2.57%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 331 (2.54%).

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

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

See this for other years:
Hispanics and Non Hispanics in Jefferson County, MT in 2023
Total Population:
Race in Jefferson County, MT in 2023
Total Population:
Ethnicity in Jefferson County, MT in 2023
Total Population:
Population By Race in Jefferson , MT in 2023
Race Population Percentage
Black or African American Alone 78 0.6%
White Alone 12,259 93.95%
American Indian and Alaska Native Alone 245 1.88%
Asian Alone 86 0.66%
Native Hawaiian And Pacific Islander Alone 13 0.1%
Two Or More Races 367 2.81%
Population By Ethnicity in Jefferson , MT in 2023
Ethnicity Population Percentage
Black or African American Alone - Hispanic 4 0.03%
White Alone - Hispanic 335 2.57%
American Indian and Alaska Native Alone - Hispanic 25 0.19%
Asian Alone - Hispanic 1 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 36 0.28%
Black or African American Alone - Non Hispanic 74 0.57%
White Alone - Non Hispanic 11,924 91.39%
American Indian and Alaska Native Alone - Non Hispanic 220 1.69%
Asian Alone - Non Hispanic 85 0.65%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 13 0.1%
Two Or More Races - Non Hispanic 331 2.54%