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Jefferson County
Jefferson County, Montana
At a Glance
Population 12,085
County Seat Jefferson County Courthouse
State FIPS 30
County FIPS 043
Num Towns 10
Census-Designated Places 8
Total Town Population 8,831
Census Source Census ACS 5-Year 2022
People & Demographics
Population (official) 12,273
Median Age 47.4
Veterans 1,171
Housing Units 5,359
Uninsured 59
Net Migration (recent) 819
Growing Yes
Economy & Employment
Total Establishments 330
Total Employees 1,806
Avg Annual Pay $54,570
Median Household Income $73,875
Poverty Rate 5.1%
Unemployment Rate 3.3%
Avg AGI per Return (IRS) $93,082
Federal Spending FY2024 $100,798,503
Federal Spending Per Capita $8,341
Housing & Cost of Living
Median Home Value $354,700
Median Rent $869
FMR Studio $933
FMR 1BR $1,037
FMR 2BR $1,361
FMR 3BR $1,907
FMR 4BR $2,171
Health & Safety
Hospitals 0
EMS Stations 30
Fire Stations 30
Police Stations 30
Adult Smoking 14.3%
Adult Obesity 29.6%
Overdose Deaths Rate/100k 23.2
Air Quality Good Days N/A
Infrastructure
Electricity Price (¢/kWh) 12.66
Electric Customers 557432
Towns with Broadband Data 10
Towns with 90%+ Coverage 10
Community
Churches 13
Libraries 11
Historic Places (NRHP) 15
Homeless Population N/A
Schools 72
SNAP Stores 8
Bank Branches 3
Agriculture
Total Farms 292
Land in Farms (acres) 44,597
Avg Farm Size (acres) 152.7
Year 2,022
Recent Federal Disaster Declarations (11)
Type Title Date
DR COVID-19 PANDEMIC 2020-03-31
EM COVID-19 2020-03-13
DR ICE JAMS AND FLOODING 2014-04-17
FM NINETEEN MILE FIRE 2012-08-29
DR SEVERE STORMS AND FLOODING 2011-06-17
EM HURRICANE KATRINA EVACUATION 2005-09-13
DR WILDFIRES 2000-08-30
FM MT - CENTRAL ZONE 3B FIRE COMPLEX 2000-07-24
DR SEVERE STORMS, FLOODING, AND ICE JAMS 1996-02-23
DR SEVERE STORMS & FLOODING 1981-05-27
Detailed Topics
Communities in Jefferson County
Data sources: Census ACS, BLS QCEW, IRS SOI, USAspending.gov, County Health Rankings, EPA AQI, HUD FMR, NCES, FEMA, National Register of Historic Places, CDC, EIA.