In 2019, Custer County, MT had a population of 11.7k people with a median age of 41.4 and a median household income of $52,965. Between 2018 and 2019 the population of Custer County, MT declined from 11,845 to 11,729, a −0.979% decrease and its median household income declined from $55,841 to $52,965, a −5.15% decrease.
The 5 largest ethnic groups in Custer County, MT are White (Non-Hispanic) (91.8%), Two+ (Non-Hispanic) (3.15%), White (Hispanic) (1.9%), American Indian & Alaska Native (Non-Hispanic) (0.742%), and Other (Hispanic) (0.733%). 0% of the households in Custer County, MT speak a non-English language at home as their primary language, and 99.8% of the residents in Custer County, MT are U.S. citizens.
The largest universities in Custer County, MT are Miles Community College (134 degrees awarded in 2019).
In 2019, the median property value in Custer County, MT was $170,400, and the homeownership rate was 68.8%. Most people in Custer County, MT drove alone to work, and the average commute time was 11.7 minutes. The average car ownership in Custer County, MT was 2 cars per household.