Granite County, MT — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
3,419
Male
1,748
51.1%
Female
1,671
48.9%
Median Age
53.9 yrs
Avg Household Size
2.4
Foreign Born
2.1%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher23.5%
High School or Higher48.4%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
9.4%
Disability
0.0%
Non-English Home
5.3%
Married
47.9%
Granite County, MT has a population of 3,419 according to 2023 Census Bureau estimates. The median age is 53.9 years. The largest racial or ethnic group is White at 92.7% of the population. 23.5% of residents hold a bachelor's degree or higher. 2.1% of residents are foreign-born.