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, Native American and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native Hawaiian or Pacific Islander

Native American

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%
Native American	0	0%

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