Custer, Idaho Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 4.28K population of Custer, ID residents comprised of 156 residents who identified as Hispanic or Latino (3.65%), and 4.12K residents who identified as Non-Hispanic (96.35%).

Race: The White Alone population was the largest racial group in Custer, ID, with a population of 3.94K (92.21%). The Two Or More Races population was the second largest racial group in Custer, ID, with a population of 216 (5.05%). The Some Other Race Alone population was the third largest racial group in Custer, ID, with a population of 58 (1.36%). The smallest racial group in Custer, ID was Native Hawaiian And Pacific Islander Alone with a population of 2 (0.05%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Custer, ID, with a population of 3.89K (91.06%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Custer, ID, with a population of 156 (3.65%). The Hispanic - Two or More Races population was the third largest ethnic group in Custer, ID, with a population of 60 (1.40%). The smallest ethnic group in Custer, ID was Hispanic - Native Hawaiian & Pac. Islander with a population of 1 (0.02%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in Custer, Idaho from the 2020 decennial census.

You can see similar information for other Idaho counties and also for the state of Idaho.

Custer, ID Hispanics and Non Hispanics Population in Census 2020
Total Population:
Custer, ID Racial Groups in Census 2020
Total Population:
Custer, ID Ethnicity Groups in Census 2020
Total Population:
Custer, ID Population of Racial Groups in Census 2020
Items per page:
0 of 0
Race Population % of County Population
Black or African American Alone 5 0.12
White Alone 3942 92.21
American Indian and Alaska Native Alone 35 0.82
Asian Alone 17 0.40
Native Hawaiian And Pacific Islander Alone 2 0.05
Some Other Race Alone 58 1.36
Two Or More Races 216 5.05
Custer, ID Population of Ethnicity Groups in Census 2020
Items per page:
0 of 0
Ethnicity Population % of County Population
Non-Hispanic - White Alone 3893 91.06
Non-Hispanic - Two or More Races 156 3.65
Hispanic - Two or More Races 60 1.40
Hispanic - White Alone 49 1.15
Hispanic - Some Other Race Alone 39 0.91
Non-Hispanic - American Indian & Alaska Native 32 0.75
Non-Hispanic - Some Other Race Alone 19 0.44
Non-Hispanic - Asian Alone 15 0.35
Non-Hispanic - Black Alone 3 0.07
Hispanic - American Indian & Alaska Native 3 0.07
Hispanic - Black Alone 2 0.05
Hispanic - Asian Alone 2 0.05
Non-Hispanic - Native Hawaiian & Pac. Islander 1 0.02
Hispanic - Native Hawaiian & Pac. Islander 1 0.02