Demographics & People — St. Charles, Idaho

Population Overview

Population (Census)168
Estimated 2026~100
Median Age34.1
Total Households57
Family Households32
Average Household Size2.95
Diversity Index0.0 (relatively homogeneous)

Race & Ethnicity

White168
Black or African American0
Asian0
Hispanic or Latino0

Heritage & Ancestry

GroupCount
English91
German25
Irish20
Swiss18
American11
Danish7
Other groups7
Hispanic: Mexican7
Hispanic: Hispanic or Latino7
European5

Language

English Only167
Spanish0
Population 5+167

Veterans

Veterans11
Population 18+106
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for St. Charles, Idaho.