State rank#1 of 120
Smallest county783,022 residentsJefferson County
Published county profile · Official data · FIPS 21111
Jefferson County, Kentucky
County-level income, housing, jobs, education, health, and population with transparent statewide comparisons and source periods.
Population783,022
Household income$69,866
Unemployment4.8%
Life expectancy73.3 years
County overview
Living metrics at a glance
Jefferson County has 783,022 residents and ranks #1 by population among Kentucky county equivalents. Median household income is $69,866. The annual-average unemployment rate is 4.8%. Its clearest relative strength is bachelor’s degree or higher. Its county population is above the state county median. Every figure below stays at county scope.
Within Kentucky
County population range
The marker places this county between the smallest and largest county populations in the state.
Relocation guide
Moving to Jefferson County: what to check
Data narrows the search; municipality, neighborhood, commute, schools, and current listings complete the decision.
Before moving
Before moving, compare municipalities inside Jefferson County, because county averages do not describe every neighborhood. Review current housing inventory, commute destinations, school districts, healthcare access, and job locations. Its clearest relative strength is bachelor’s degree or higher.
Cost and housing
Housing benchmarks are $248,400 median home value and $1,149/mo median gross rent. Set those costs against a median household income of $69,866, while remembering that household circumstances and municipalities vary.
Who it may suit
Jefferson County may be worth a closer look for movers prioritizing bachelor’s degree or higher, primary care access, and median household income. College attainment is 37% and life expectancy is 73.3 years.
Potential advantages
- Bachelor’s degree or higher: 37%, rank #6 of 120 available Kentucky counties.
- Primary care access: 1 per 1,093 residents, rank #6 of 112 available Kentucky counties.
- Median household income: $69,866, rank #13 of 120 available Kentucky counties.
Trade-offs to check
- Median gross rent: $1,149/mo, rank #116 of 120; investigate local variation before moving.
- Median home value: $248,400, rank #110 of 120; investigate local variation before moving.
- Life expectancy: 73.3 years, rank #37 of 120; investigate local variation before moving.
Income, housing, jobs, education & health
County metrics within Kentucky
Rank and range use only counties in Kentucky with that field available. A lower rank number is stronger when the metric has a clear direction.
Median household income
$69,866
$69,866; above the state county median of $57,293.
State rank #13 of 120 · U.S. Census Bureau — American Community Survey
Median home value
$248,400
$248,400; above the state county median of $148,150.
State rank #110 of 120 · U.S. Census Bureau — American Community Survey
Median gross rent
$1,149/mo
$1,149/mo; above the state county median of $773/mo.
State rank #116 of 120 · U.S. Census Bureau — American Community Survey
Unemployment rate
4.8%
4.8%; below the state county median of 5.4%.
State rank #25 of 120 · U.S. Bureau of Labor Statistics — Local Area Unemployment Statistics
Bachelor’s degree or higher
37%
37%; above the state county median of 17%.
State rank #6 of 120 · U.S. Census Bureau — American Community Survey
Life expectancy
73.3 years
73.3 years; above the state county median of 72.5 years.
State rank #37 of 120 · County Health Rankings & Roadmaps
Poor or fair health
19.9%
19.9%; below the state county median of 23.8%.
State rank #15 of 120 · County Health Rankings & Roadmaps
Uninsured
6.3%
6.3%; below the state county median of 6.9%.
State rank #31 of 120 · County Health Rankings & Roadmaps
Primary care access
1 per 1,093 residents
1 per 1,093 residents; below the state county median of 1 per 2,661 residents.
State rank #6 of 112 · County Health Rankings & Roadmaps
Mental health access
1 per 246 residents
1 per 246 residents; below the state county median of 1 per 791 residents.
State rank #13 of 118 · County Health Rankings & RoadmapsCommon questions
Jefferson County FAQ
Is Jefferson County a good place to live?
Jefferson County may be worth a closer look for movers prioritizing bachelor’s degree or higher, primary care access, and median household income. College attainment is 37% and life expectancy is 73.3 years.
What should I know before moving to Jefferson County?
Start with housing, employment, commute, schools, healthcare access, and the specific municipality. Housing benchmarks are $248,400 median home value and $1,149/mo median gross rent. Set those costs against a median household income of $69,866, while remembering that household circumstances and municipalities vary.
What is the population of Jefferson County?
Jefferson County has 783,022 residents in the 2020–2024 ACS 5-year dataset.
What is the FIPS code for Jefferson County?
The five-digit county FIPS code is 21111; the parent state FIPS is 21.
What is the median household income in Jefferson County?
The ACS median household income is $69,866.
How much does housing cost in Jefferson County?
Housing benchmarks are $248,400 median home value and $1,149/mo median gross rent. Set those costs against a median household income of $69,866, while remembering that household circumstances and municipalities vary.
What is the unemployment rate in Jefferson County?
The BLS LAUS annual-average unemployment rate is 4.8%.
Similar population
Nearby counties in the state ranking
Source and gate
Methodology and source periods
All records join by five-digit FIPS. Profiles publish when ACS county population is at least 100,000 or the county is the state’s largest. Missing source values remain unavailable and are excluded from ranks. Runtime data was generated 2026-07-26.
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