In 2017, Granite County, MT had a population of 3.21k people with a median age of 53.1 and a median household income of $49,063. Between 2016 and 2017 the population of Granite County, MT declined from 3,212 to 3,206, a -0.187% decrease and its median household income grew from $48,688 to $49,063, a 0.77% increase.
The 5 largest ethnic groups in Granite County, MT are White (Non-Hispanic) (94.6%), Two or More Races (Non-Hispanic) (2.65%), White (Hispanic) (2.09%), American Indian & Alaska Native (Non-Hispanic) (0.437%), and Black or African American (Non-Hispanic) (0.125%). N/A% of the people in Granite County, MT speak a non-English language, and 98.9% are U.S. citizens.
The median property value in Granite County, MT is $218,900, and the homeownership rate is 72.4%. Most people in Granite County, MT commute by Drove Alone, and the average commute time is 21.9 minutes. The average car ownership in Granite County, MT is 2 cars per household.