Population By Race and Ethnicity in Jefferson County, ID in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the 29,918 population of Jefferson County, Idaho comprised of 3,189 people who identified as Hispanic (10.66%), and 26,729 people who identified as Non-Hispanic (89.34%).

Race: The White Alone population was the largest racial group in Jefferson County, Idaho with a population of 28,627 (95.69%); Two Or More Races population was the second largest racial group with a population of 499 (1.67%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 425 (1.42%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Idaho in 2019, with a population of 25,894 (86.55%); the second largest ethnic group was White Alone - Hispanic with a population of 2,733 (9.14%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 366 (1.22%).

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 County, ID in 2019
Total Population:
Race in Jefferson County, ID in 2019
Total Population:
Ethnicity in Jefferson County, ID in 2019
Total Population:
Population By Race in Jefferson , ID in 2019
Race Population Percentage
Black or African American Alone 138 0.46%
White Alone 28,627 95.69%
American Indian and Alaska Native Alone 425 1.42%
Asian Alone 184 0.62%
Native Hawaiian And Pacific Islander Alone 45 0.15%
Two Or More Races 499 1.67%
Population By Ethnicity in Jefferson , ID in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 52 0.17%
White Alone - Hispanic 2,733 9.14%
American Indian and Alaska Native Alone - Hispanic 238 0.8%
Asian Alone - Hispanic 16 0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic 17 0.06%
Two Or More Races - Hispanic 133 0.45%
Black or African American Alone - Non Hispanic 86 0.29%
White Alone - Non Hispanic 25,894 86.55%
American Indian and Alaska Native Alone - Non Hispanic 187 0.63%
Asian Alone - Non Hispanic 168 0.56%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 28 0.09%
Two Or More Races - Non Hispanic 366 1.22%