Jefferson County, Montana

Jefferson County is home to 12,774 people. 5.7% of residents live below the poverty line, below the Montana rate (11.5%). The median household income is $95,490.

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MeasureValueMontanaYearSource
Population12,7741,116,8752024Decennial Census and American Community Survey 5-year estimates
Median household income$95,490$72,5092024Decennial Census and American Community Survey 5-year estimates
Below poverty line5.7%11.5%2024Decennial Census and American Community Survey 5-year estimates
Children in poverty6.6%12.7%2024Decennial Census and American Community Survey 5-year estimates
No health insurance5.8%8.6%2024Decennial Census and American Community Survey 5-year estimates
Bachelor's degree or higher32.2%35.2%2024Decennial Census and American Community Survey 5-year estimates
Median home value$446,900$375,8002024Decennial Census and American Community Survey 5-year estimates
Median gross rent$925$1,0812024Decennial Census and American Community Survey 5-year estimates
Renters paying 30%+ of income30.0%44.8%2024Decennial Census and American Community Survey 5-year estimates
Foreign-born1.0%2.3%2024Decennial Census and American Community Survey 5-year estimates
Median age47.1 years40.4 years2024Decennial Census and American Community Survey 5-year estimates

Neighboring counties

Figures are the latest published estimates, from the sources named; survey estimates carry margins of error.