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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 29,418 population of Jefferson County, Idaho comprised of 3,067 people who identified as Hispanic (10.43%), and 26,351 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 28,194 (95.84%); Two Or More Races population was the second largest racial group with a population of 483 (1.64%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 392 (1.33%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Idaho in 2018, with a population of 25,559 (86.88%); the second largest ethnic group was White Alone - Hispanic with a population of 2,635 (8.96%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 352 (1.2%).

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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Jefferson County, ID in 2018

Total Population:29,418

Non Hispanic (89.57%)

Hispanic (10.43%)

Race in Jefferson County, ID in 2018

Total Population:29,418

White Alone (95.84%)

Two or more races (1.64%)

American Indian and Alaska Native Alone (1.33%)

Asian Alone (0.62%)

Black or African American Alone (0.43%)

Native Hawaiian And Pacific Islander Alone (0.13%)

Ethnicity in Jefferson County, ID in 2018

Total Population:29,418

Non-Hispanic White Alone (86.88%)

Hispanic White Alone (8.96%)

All Other Ethnicities (1.63%)

Non-Hispanic Two or more races (1.2%)

Hispanic American Indian and Alaska Native Alone (0.75%)

Non-Hispanic American Indian and Alaska Native Alone (0.59%)

Population By Race in Jefferson , ID in 2018

Race	Population	Percentage
White Alone	28,194	95.84%
Two Or More Races	483	1.64%
American Indian and Alaska Native Alone	392	1.33%
Asian Alone	183	0.62%
Black or African American Alone	127	0.43%
Native Hawaiian And Pacific Islander Alone	39	0.13%

Population By Ethnicity in Jefferson , ID in 2018

Ethnicity	Population	Percentage
White Alone - Non Hispanic	25,559	86.88%
White Alone - Hispanic	2,635	8.96%
Two Or More Races - Non Hispanic	352	1.2%
American Indian and Alaska Native Alone - Hispanic	220	0.75%
American Indian and Alaska Native Alone - Non Hispanic	172	0.59%
Asian Alone - Non Hispanic	167	0.57%
Two Or More Races - Hispanic	131	0.45%
Black or African American Alone - Non Hispanic	76	0.26%
Black or African American Alone - Hispanic	51	0.17%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	25	0.09%
Asian Alone - Hispanic	16	0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic	14	0.05%