Jefferson County, MT has a population of 11,601 people with a median age of 47.9 and a median household income of $62,939. Between 2015 and 2016 the population of Jefferson County, MT grew from 11,502 to 11,601, a 0.86% increase and its median household income grew from $60,842 to $62,939, a 3.45% increase.
The population of Jefferson County, MT is 93.2% White, 2.62% Two+, and 2.19% Hispanic. 2.42% of the people in Jefferson County, MT speak a non-English language, and 99% are U.S. citizens.
The largest universities in Jefferson County, MT are The University of Montana-Western, with 382 graduates, Montana Tech of the University of Montana, with 381 graduates, and Carroll College, with 320 graduates.
The median property value in Jefferson County, MT is $247,900, and the homeownership rate is 84.5%. Most people in Jefferson County, MT commute by Drove Alone, and the average commute time is 18.7 minutes. The average car ownership in Jefferson County, MT is 3 cars per household.
Jefferson County, MT is the 16th most populated county in Montana and borders Broadwater County, MT; Deer Lodge County, MT; Gallatin County, MT; Lewis and Clark County, MT; Madison County, MT; Powell County, MT; Silver Bow County, MT& 2 more.