Population By Race and Ethnicity in Jefferson County, MT in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 12,084 population of Jefferson County, Montana comprised of 317 people who identified as Hispanic (2.62%), and 11,767 people who identified as Non-Hispanic (97.38%).

Race: The White Alone population was the largest racial group in Jefferson County, Montana with a population of 11,496 (95.13%); Two Or More Races population was the second largest racial group with a population of 251 (2.08%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 216 (1.79%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Montana in 2018, with a population of 11,230 (92.93%); the second largest ethnic group was White Alone - Hispanic with a population of 266 (2.2%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 235 (1.95%).

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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Jefferson County, MT in 2018

Total Population:12,084

Non Hispanic (97.38%)

Hispanic (2.62%)

Race in Jefferson County, MT in 2018

Total Population:12,084

White Alone (95.13%)

Two or more races (2.08%)

American Indian and Alaska Native Alone (1.79%)

Asian Alone (0.47%)

Black or African American Alone (0.43%)

Native Hawaiian And Pacific Islander Alone (0.1%)

Ethnicity in Jefferson County, MT in 2018

Total Population:12,084

Non-Hispanic White Alone (92.93%)

Hispanic White Alone (2.2%)

Non-Hispanic Two or more races (1.95%)

Non-Hispanic American Indian and Alaska Native Alone (1.58%)

All Other Ethnicities (0.88%)

Non-Hispanic Asian Alone (0.46%)

Population By Race in Jefferson , MT in 2018

Race	Population	Percentage
White Alone	11,496	95.13%
Two Or More Races	251	2.08%
American Indian and Alaska Native Alone	216	1.79%
Asian Alone	57	0.47%
Black or African American Alone	52	0.43%
Native Hawaiian And Pacific Islander Alone	12	0.1%

Population By Ethnicity in Jefferson , MT in 2018

Ethnicity	Population	Percentage
White Alone - Non Hispanic	11,230	92.93%
White Alone - Hispanic	266	2.2%
Two Or More Races - Non Hispanic	235	1.95%
American Indian and Alaska Native Alone - Non Hispanic	191	1.58%
Asian Alone - Non Hispanic	56	0.46%
Black or African American Alone - Non Hispanic	43	0.36%
American Indian and Alaska Native Alone - Hispanic	25	0.21%
Two Or More Races - Hispanic	16	0.13%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	12	0.1%
Black or African American Alone - Hispanic	9	0.07%
Asian Alone - Hispanic	1	0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic	0	0%