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Jefferson County
Jefferson County, Idaho
At a Glance
Population 30,891
County Seat Jefferson County Courthouse
State FIPS 16
County FIPS 051
Num Towns 6
Census-Designated Places 0
Total Town Population 7,078
Census Source Census ACS 5-Year 2022
People & Demographics
Population (official) 31,383
Median Age 31.7
Veterans 1,126
Housing Units 10,241
Uninsured 585
Net Migration (recent) 1,672
Growing Yes
Economy & Employment
Total Establishments 709
Total Employees 5,554
Avg Annual Pay $46,365
Median Household Income $77,491
Poverty Rate 8.9%
Unemployment Rate 2.4%
Avg AGI per Return (IRS) $74,617
Federal Spending FY2024 $163,775,401
Federal Spending Per Capita $5,302
Housing & Cost of Living
Median Home Value $284,700
Median Rent $971
FMR Studio $1,035
FMR 1BR $1,087
FMR 2BR $1,311
FMR 3BR $1,837
FMR 4BR $2,202
Health & Safety
Hospitals 0
EMS Stations 18
Fire Stations 18
Police Stations 18
Adult Smoking 15.0%
Adult Obesity 31.9%
Overdose Deaths Rate/100k 13.8
Air Quality Good Days N/A
Infrastructure
Electricity Price (¢/kWh) 11.52
Electric Customers 868141
Towns with Broadband Data 6
Towns with 90%+ Coverage 6
Community
Churches 5
Libraries 6
Historic Places (NRHP) 6
Homeless Population N/A
Schools 39
SNAP Stores 9
Bank Branches 4
Agriculture
Total Farms 116
Land in Farms (acres) 27,804
Avg Farm Size (acres) 239.7
Year 2,022
Recent Federal Disaster Declarations (6)
Type Title Date
DR COVID-19 PANDEMIC 2020-04-09
EM COVID-19 2020-03-13
DR SEVERE WINTER STORMS AND FLOODING 2017-04-21
EM HURRICANE KATRINA 2005-09-13
DR SEVERE STORMS, SNOWMELT, LAND/MUD SLIDES, FLOODING 1997-06-13
DR DAM COLLAPSE, FLOODING 1976-06-06
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.