Johnson County, Kentucky

Johnson County, Kentucky, had an estimated population of 22,051 in 2025 across 678 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Kentucky's counties and nationally.

Population: 22,051; 2025 estimate
Area: 678 km²
Density: 33; per km²
Median income: $44,904; household, ACS 2024
Median age: 42; years, ACS 2024

How Kentucky's counties spread

Amenities & Infrastructure

Indicator	Value	In Kentucky	In the US
Households with Broadband2024	89.1%	28 / 120	1,040 / 3,144
Median Gross Rent2024	$708	88 / 120	2,702 / 3,137
Median Home Value2024	$120,200	90 / 120	2,636 / 3,139
Owner-Occupied Homes2024	68.3%	96 / 120	2,401 / 3,144
Vacant Homes2024	14.6%	45 / 120	1,483 / 3,144

Demography

Indicator	Value	In Kentucky	In the US
Aged 65 and Over2024	19.2%	48 / 120	1,795 / 3,144
American Indian & Alaska Native2024	0.1%	24 / 120	1,566 / 3,144
Asian, non-Hispanic2024	1.4%	11 / 120	751 / 3,144
Average Household Size2024people	2.4	78 / 120	1,582 / 3,144
Black, non-Hispanic2024	0.6%	92 / 120	2,332 / 3,144
Foreign-Born2024	1.5%	50 / 120	2,291 / 3,144
Hispanic or Latino2024	0.5%	112 / 120	3,085 / 3,144
Median Age2024years	42	49 / 120	1,410 / 3,144
Sex Ratio2024per 1,000 males	1,004	68 / 120	1,451 / 3,144
Speak a Language Other Than English2024	1.5%	89 / 120	2,910 / 3,144
Under 182024	22.2%	69 / 120	1,395 / 3,144
Veterans2024	4.9%	101 / 120	2,784 / 3,144
White, non-Hispanic2024	93.9%	29 / 120	198 / 3,144

Economy

Indicator	Value	In Kentucky	In the US
Below Poverty Line2024	22.8%	29 / 120	254 / 3,144
Households on SNAP2024	25.3%	19 / 120	145 / 3,144
Income Inequality2024index	0.478	30 / 120	574 / 3,144
Median Household Income2024	$44,904	96 / 120	2,965 / 3,143
Per Capita Income2024	$25,175	100 / 120	2,952 / 3,144
Unemployment Rate2024	4.2%	79 / 120	1,696 / 3,144

Education

Indicator	Value	In Kentucky	In the US
Bachelor's Degree or Higher2024	16.8%	62 / 120	2,450 / 3,144
High School or Higher2024	82.7%	85 / 120	2,795 / 3,144

Health Coverage

Indicator	Value	In Kentucky	In the US
No Health Insurance2024	6.4%	44 / 120	1,999 / 3,144
With a Disability2024	26.1%	20 / 120	83 / 3,144

Population & Density

Indicator	Value	In Kentucky	In the US
Population2025	22,051	53 / 120	1,719 / 3,144
Population Density2025/km²	33	41 / 120	1,021 / 3,144

Work & Commute

Indicator	Value	In Kentucky	In the US
Commute by Public Transit2024	0.0%	76 / 120	2,161 / 3,144
Households with No Vehicle2024	5.2%	79 / 120	1,653 / 3,144
Mean Commute Time2024minutes	23.5	88 / 120	1,710 / 3,143
Work from Home2024	6.9%	64 / 120	2,116 / 3,144

Other counties of Kentucky

Compare Johnson County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.