Population By Race and Ethnicity in Jefferson, ID in 2015

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2015, the 27,133 population of Jefferson County, Idaho comprised of 2,830 people who identified as Hispanic (10.43%), and 24,303 people who identified as Non-Hispanic (89.57%).

Race: The White Alone population was the largest racial group in Jefferson County, Idaho with a population of 26,074 (96.1%); Two Or More Races population was the second largest racial group with a population of 402 (1.48%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 371 (1.37%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Idaho in 2015, with a population of 23,624 (87.07%); the second largest ethnic group was White Alone - Hispanic with a population of 2,450 (9.03%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 291 (1.07%).

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

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

See this for other years:
Hispanics and Non Hispanics in Jefferson, ID in 2015
Total Population:
Race in Jefferson, ID in 2015
Total Population:
Ethnicity in Jefferson, ID in 2015
Total Population:
Population By Race in Jefferson , ID in 2015
Race Population Percentage
Black or African American Alone 104 0.38%
White Alone 26,074 96.1%
American Indian and Alaska Native Alone 371 1.37%
Asian Alone 140 0.52%
Native Hawaiian And Pacific Islander Alone 42 0.16%
Two Or More Races 402 1.48%
Population By Ethnicity in Jefferson , ID in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 39 0.14%
White Alone - Hispanic 2,450 9.03%
American Indian and Alaska Native Alone - Hispanic 206 0.76%
Asian Alone - Hispanic 13 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 11 0.04%
Two Or More Races - Hispanic 111 0.41%
Black or African American Alone - Non Hispanic 65 0.24%
White Alone - Non Hispanic 23,624 87.07%
American Indian and Alaska Native Alone - Non Hispanic 165 0.61%
Asian Alone - Non Hispanic 127 0.47%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 31 0.11%
Two Or More Races - Non Hispanic 291 1.07%