Jefferson County, Montana
Total Population: 12,501
County Seat: Boulder
Median Home Value
$408,000
Owner-occupied units
Median Household Income
$76,576
Across all households
Median Age
47.3 yrs
Across all residents
Bachelor's Degree+
32.7%
Adults 25 and older
Nearby Counties
Demographics
14 fieldsRacial & Ethnic Composition
Under 18 Years
20.2%
65 Years and Over
22.8%
Male
50.7%
Female
49.3%
U.S. Citizens (18+)
98.8%
No Health Insurance
5.1%
Education
3 fieldsHigh School Graduate or Higher (25+)
94.0%
Bachelor's Degree or Higher (25+)
32.7%
Enrolled in College (18+)
3.9%
Economics
6 fieldsMedian Household Income
$76,576
Mean Household Income
$107,580
Per Capita Income
$43,037
Unemployment Rate (16+)
—
In Labor Force (19–64)
74.2%
SNAP / Food Stamps
6.3%
Housing & Households
13 fieldsMedian Home Value
$408,000
Median Rent
$886/mo
Total Housing Units
5,388
Owner-Occupied
83.1%
Renter-Occupied
16.9%
Vacancy Rate
9.2%
Married Couple Households
66.1%
Cohabiting Couple Households
4.5%
Male Householder, No Partner
14.7%
Female Householder, No Partner
14.8%
Average Household Size
2.50
Broadband Internet Access
89.4%
Housing Built Since 2010
13.4%
Source: U.S. Census Bureau, American Community Survey 2023 5-Year Estimates. County FIPS 30043.