Population By Race and Ethnicity in Gem, ID in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 17,622 population of Gem County, Idaho comprised of 1,488 people who identified as Hispanic (8.44%), and 16,134 people who identified as Non-Hispanic (91.56%).

Race: The White Alone population was the largest racial group in Gem County, Idaho with a population of 16,777 (95.21%); Two Or More Races population was the second largest racial group with a population of 393 (2.23%); and American Indian and Alaska Native Alone was the third largest racial group with a population of 207 (1.18%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Gem County, Idaho in 2018, with a population of 15,458 (87.72%); the second largest ethnic group was White Alone - Hispanic with a population of 1,319 (7.49%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 333 (1.89%).

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 2018
Total Population:
Race in Gem, ID in 2018
Total Population:
Ethnicity in Gem, ID in 2018
Total Population:
Population By Race in Gem , ID in 2018
Race Population Percentage
Black or African American Alone 46 0.26%
White Alone 16,777 95.21%
American Indian and Alaska Native Alone 207 1.18%
Asian Alone 173 0.98%
Native Hawaiian And Pacific Islander Alone 26 0.15%
Two Or More Races 393 2.23%
Population By Ethnicity in Gem , ID in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 5 0.03%
White Alone - Hispanic 1,319 7.49%
American Indian and Alaska Native Alone - Hispanic 71 0.4%
Asian Alone - Hispanic 22 0.13%
Native Hawaiian And Pacific Islander Alone - Hispanic 11 0.06%
Two Or More Races - Hispanic 60 0.34%
Black or African American Alone - Non Hispanic 41 0.23%
White Alone - Non Hispanic 15,458 87.72%
American Indian and Alaska Native Alone - Non Hispanic 136 0.77%
Asian Alone - Non Hispanic 151 0.86%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 15 0.09%
Two Or More Races - Non Hispanic 333 1.89%