US Census Data

Jefferson County, Kentucky

85 cities & places have their primary county here.

Population
777,392
+1.3%’19–’23
Median household income
$67,849
+19.9%’19–’23
Median home value
$237,200
+39.4%’19–’23

Jefferson County, Kentucky counts 777,392 residents. 85 cities and places have their primary county here. The median household income of $67,849 is above the Kentucky median ($62,417).

Between 2019 and 2023, Jefferson County's population grew 1.3% from 767,419 to 777,392, while its median household income rose 19.9% from $56,586 to $67,849.

14.5% of residents live below the poverty line. Households average 2.32 people.

Demographics

ACS 2019–2023
Population
777,392
Median age
38.4 yrs
Median household income
$67,849
Median home value
$237,200
Median gross rent
$1,097
Housing units
357,923
Homeownership rate
61.8%
Bachelor's degree or higher
36.6%
Unemployment rate
4.8%

Trends

ACS 5-year · 2019–2023
Population
767,419777,392
Median household income
$56,586$67,849
Median home value
$170,100$237,200
Median gross rent
$871$1,097
YearPopulationMedian household incomeMedian home valueMedian gross rent
2019767,419$56,586$170,100$871
2020768,419$58,196$178,100$901
2021780,449$61,633$190,700$954
2022779,232$66,296$222,200$1,045
2023777,392$67,849$237,200$1,097

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 547,5546.1%
5 to 17125,54016.1%
18 to 2464,9288.4%
25 to 34113,76014.6%
35 to 44100,89513.0%
45 to 5492,59311.9%
55 to 64100,88513.0%
65 to 7480,09410.3%
75 and over51,1436.6%

Race & ethnicity

CountShare
White (non-Hispanic)492,36663.3%
Black or African American168,47321.7%
American Indian & Alaska Native3380.0%
Asian22,5032.9%
Native Hawaiian & Pacific Islander3040.0%
Some other race2,7060.3%
Two or more races29,8293.8%
Hispanic or Latino (any race)60,8737.8%

Educational attainment (age 25+)

CountShare
No high school diploma45,7628.5%
High school graduate139,91725.9%
Some college or associate's156,40129.0%
Bachelor's degree116,18821.5%
Graduate or professional degree81,10215.0%

Commute to work

Mean travel time to work
22 min

How workers get to work

CountShare
Drove alone281,47773.7%
Carpooled31,8088.3%
Public transit7,2041.9%
Walked7,1121.9%
Bicycle9340.2%
Worked from home47,42312.4%
Other means5,8131.5%

Travel time

CountShare
Under 15 min79,44523.8%
15 to 29 min171,62151.3%
30 to 44 min60,95318.2%
45 to 59 min11,4843.4%
60+ min10,8453.2%

Households

Average household size
2.32
Poverty rate
14.5% (110,819 of 762,894)
CountShare
Family households191,68658.2%
Nonfamily households137,70641.8%

Housing

Median year structure built
1971

Occupancy

CountShare
Occupied329,39292.0%
Vacant28,5318.0%

Tenure (of occupied units)

CountShare
Owner-occupied203,61861.8%
Renter-occupied125,77438.2%

Units in structure

CountShare
1-unit, detached229,27964.1%
1-unit, attached14,6724.1%
2 to 4 units35,93410.0%
5 to 19 units46,57813.0%
20 or more units27,1097.6%
Mobile home & other4,3511.2%

Geography

County GEOID
21111
State
Kentucky
Land area
381 sq mi
Water area
17 sq mi
Center point
38.1895, -85.6576

Cities & places

85

Compare with nearby counties

5

Kentucky rankings

21

Other counties in Kentucky

119