South Jefferson

County:: Jefferson County
County Seat:: No
Area (mi²):: 21.254
State:: Kentucky

South Jefferson is located in Jefferson County, Kentucky. South Jefferson has a 2025 population of 38,463. South Jefferson is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in South Jefferson is $101,583 with a poverty rate of 10.58%.The median age in South Jefferson is 36.2 years: 35.6 years for males, and 37.2 years for females.

Demographics

The racial composition of South Jefferson includes 66.51% White, 16.58% Black or African American, 3.56% other race, and smaller percentages for Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	25,581	66.51%
Black or African American	6,379	16.58%
Two or more races	4,154	10.8%
Other race	1,369	3.56%
Asian	974	2.53%
Native Hawaiian or Pacific Islander	6	0.02%

South Jefferson Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Jefferson's average per capita income is $49,509. Household income levels show a median of $84,069. The poverty rate stands at 10.58%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$106,449	-
Families	$100,612	$116,887
Households	$84,069	$101,583
Non Families	$56,297	$63,133

$49,509

Average Income

$84,069

Median Household Income

10.58%

Poverty Rate