Population By Race and Ethnicity in Jefferson County, MT in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 11,576 population of Jefferson County, Montana comprised of 267 people who identified as Hispanic (2.31%), and 11,309 people who identified as Non-Hispanic (97.69%).

Race: The White Alone population was the largest racial group in Jefferson County, Montana with a population of 11,006 (95.08%); Two Or More Races population was the second largest racial group with a population of 267 (2.31%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 201 (1.74%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Montana in 2015, with a population of 10,779 (93.12%); the second largest ethnic group was Two Or More Races - Non Hispanic with a population of 249 (2.15%); and the third largest ethnic group was White Alone - Hispanic with a population of 227 (1.96%).

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 2015

Total Population:11,576

Non Hispanic (97.69%)

Hispanic (2.31%)

Race in Jefferson County, MT in 2015

Total Population:11,576

White Alone (95.08%)

Two or more races (2.31%)

American Indian and Alaska Native Alone (1.74%)

Asian Alone (0.48%)

Black or African American Alone (0.38%)

Native Hawaiian And Pacific Islander Alone (0.02%)

Ethnicity in Jefferson County, MT in 2015

Total Population:11,576

Non-Hispanic White Alone (93.12%)

Non-Hispanic Two or more races (2.15%)

Hispanic White Alone (1.96%)

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

All Other Ethnicities (0.72%)

Non-Hispanic Asian Alone (0.48%)

Population By Race in Jefferson , MT in 2015

Race	Population	Percentage
White Alone	11,006	95.08%
Two Or More Races	267	2.31%
American Indian and Alaska Native Alone	201	1.74%
Asian Alone	56	0.48%
Black or African American Alone	44	0.38%
Native Hawaiian And Pacific Islander Alone	2	0.02%

Population By Ethnicity in Jefferson , MT in 2015

Ethnicity	Population	Percentage
White Alone - Non Hispanic	10,779	93.12%
Two Or More Races - Non Hispanic	249	2.15%
White Alone - Hispanic	227	1.96%
American Indian and Alaska Native Alone - Non Hispanic	183	1.58%
Asian Alone - Non Hispanic	55	0.48%
Black or African American Alone - Non Hispanic	41	0.35%
American Indian and Alaska Native Alone - Hispanic	18	0.16%
Two Or More Races - Hispanic	18	0.16%
Black or African American Alone - Hispanic	3	0.03%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	2	0.02%
Asian Alone - Hispanic	1	0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic	0	0%