In 2019, Prairie County, MT had a population of 1.25k people with a median age of 48.7 and a median household income of $43,625. Between 2018 and 2019 the population of Prairie County, MT declined from 1,342 to 1,252, a −6.71% decrease and its median household income declined from $47,250 to $43,625, a −7.67% decrease.
The 5 largest ethnic groups in Prairie County, MT are White (Non-Hispanic) (97.8%), American Indian & Alaska Native (Hispanic) (1.04%), Asian (Non-Hispanic) (0.799%), Other (Hispanic) (0.24%), and American Indian & Alaska Native (Non-Hispanic) (0.16%). 0% of the households in Prairie County, MT speak a non-English language at home as their primary language, and 98.1% of the residents in Prairie County, MT are U.S. citizens.
In 2019, the median property value in Prairie County, MT was $112,900, and the homeownership rate was 84%. Most people in Prairie County, MT drove alone to work, and the average commute time was 11.5 minutes. The average car ownership in Prairie County, MT was 2 cars per household.