Population By Race and Ethnicity in Gem, ID in 2021

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2021, the 19,802 population of Gem County, Idaho comprised of 1,829 people who identified as Hispanic (9.24%), and 17,973 people who identified as Non-Hispanic (90.76%).

Race: The White Alone population was the largest racial group in Gem County, Idaho with a population of 18,774 (94.81%); Two Or More Races population was the second largest racial group with a population of 469 (2.37%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 239 (1.21%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Gem County, Idaho in 2021, with a population of 17,158 (86.65%); the second largest ethnic group was White Alone - Hispanic with a population of 1,616 (8.16%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 387 (1.95%).

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

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

See this for other years:
Hispanics and Non Hispanics in Gem, ID in 2021
Total Population:
Race in Gem, ID in 2021
Total Population:
Ethnicity in Gem, ID in 2021
Total Population:
Population By Race in Gem , ID in 2021
Race Population Percentage
Black or African American Alone 61 0.31%
White Alone 18,774 94.81%
American Indian and Alaska Native Alone 239 1.21%
Asian Alone 211 1.07%
Native Hawaiian And Pacific Islander Alone 48 0.24%
Two Or More Races 469 2.37%
Population By Ethnicity in Gem , ID in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 6 0.03%
White Alone - Hispanic 1,616 8.16%
American Indian and Alaska Native Alone - Hispanic 81 0.41%
Asian Alone - Hispanic 30 0.15%
Native Hawaiian And Pacific Islander Alone - Hispanic 14 0.07%
Two Or More Races - Hispanic 82 0.41%
Black or African American Alone - Non Hispanic 55 0.28%
White Alone - Non Hispanic 17,158 86.65%
American Indian and Alaska Native Alone - Non Hispanic 158 0.8%
Asian Alone - Non Hispanic 181 0.91%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 34 0.17%
Two Or More Races - Non Hispanic 387 1.95%