Where is Jefferson County, Montana?

location of Jefferson county on a map — Location of Jefferson County within the state of Montana

Jefferson County is a county equivalent area found in Montana, USA. The county government of Jefferson is found in the county seat of Boulder.

With a total 4,296.74 sq. km of land and water area, Jefferson County, Montana is the 405th largest county equivalent area in the United States. Home to 11,558 people, Jefferson County has a total 5029 households earning 60863 on average per year.

Jefferson County, Montana - Quick Facts

FIPS Code	30043
Area Codes	406
Time Zone	MST
Major Cities	Clancy (population: 4,816), Whitehall (population: 3,643), Boulder (population: 1,938), Jefferson City (population: 616), Cardwell (population: 434), Basin (population: 236)
Land Area	4,463 sq miles
Water Area	1,656 sq miles
Household Income	$60,863
Housing Units	5,029
Median Home Value	$230,100
High School Grads	94% of population
Holders of Bachelors Degrees	34% of population
Retail Spending	$3,584 per capita
Food & Accomodation Sales	$7,268 per capita