Jefferson County, MT
Demographic and economic profile of Jefferson County, MT, sourced from the US Census Bureau (American Community Survey) via Data USA.
AI Overview
Jefferson County is a small, predominantly owner-occupied rural county of 12,501 residents—84.2% own their homes—with a median household income of $95,490 and a poverty rate of just 6.3%, suggesting a relatively comfortable economic baseline despite a GDP per capita of $23,065. The labor force is tight, with a 2.8% unemployment rate and 58.3% participation, and 32.7% of residents hold a bachelor's degree or higher; median worker earnings run $40,494, keeping labor costs modest. The county grew 6.1% over five years, median home values have reached $408,000, and a median age of 47.1 points to an older resident base with low labor-force density.
Claude Sonnet 4.6 · generated Jul 6, 2026 · derived from cached Census, BEA & ACS data on this page
Population Growth (5-year)
+6.1% since 2018
Jefferson County added population at this rate over the prior 5-year ACS5 window.
Demographics
Race & Ethnicity
- White Alone11,717 (91.7%)
- Two Races Excluding Some Other Race, & Three or More Races468 (3.7%)
- Two Races Including Some Other Race230 (1.8%)
- American Indian & Alaska Native Alone188 (1.5%)
- Some Other Race Alone117 (0.9%)
- Asian Alone50 (0.4%)
Top Languages Spoken at Home
- 1.Spanish183
- 2.Korean42
- 3.German or other West Germanic26
- 4.Other Asian and Pacific Island20
- 5.Russian, Polish, or other Slavic7
Economy
Cost of Living Index
—
Not yet cached
Top Industries
- 1.Educational Services, & Health Care & Social Assistance1,245
- 2.Public Administration (Group)939
- 3.Construction (Group)723
- 4.Retail Trade (Group)692
- 5.Professional, Scientific, & Management, & Administrative & Waste Management Services614
Top Occupations
- 1.Management, Business, Science, & Arts Occupations2,867
- 2.Sales & Office Occupations1,136
- 3.Service Occupations925
- 4.Natural Resources, Construction, & Maintenance Occupations739
- 5.Production, Transportation, & Material Moving Occupations508
Housing
Education
Workforce
Similar Locations
5 counties with comparable population, workforce, income, education, and cost of living. Click any to compare.
More on FDI Connect
Compare Jefferson County against other US geographies, save it to your shortlist, see active property listings on the interactive map, and unlock the full demographic dashboard.
Data: US Census Bureau American Community Survey, served via Data USA and the Census Bureau API. See each metric tile for the specific dataset.