Sanders County, MT — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
12,936
Male
6,667
51.5%
Female
6,269
48.5%
Median Age
54.6 yrs
Avg Household Size
2.3
Foreign Born
1.8%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher16.5%
High School or Higher45.4%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
11.6%
Disability
0.0%
Non-English Home
6.0%
Married
50.4%
Sanders County, MT has a population of 12,936 according to 2023 Census Bureau estimates. The median age is 54.6 years. The largest racial or ethnic group is White at 89.8% of the population. 16.5% of residents hold a bachelor's degree or higher. 1.8% of residents are foreign-born.