Cardiff

County:: Jefferson County
County Seat:: No
Area (mi²):: 0.209
State:: Alabama

Cardiff is a town located in Jefferson County, Alabama. Cardiff has a 2025 population of 50. Cardiff is currently declining at a rate of -1.96% annually and its population has decreased by -7.41% since the most recent census, which recorded a population of 54 in 2020.

The average household income in Cardiff is $79,867 with a poverty rate of 14.29%. The median age in Cardiff is 39.5 years: 39.3 years for males, and 41.1 years for females.

Demographics

The racial composition of Cardiff includes 100% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	42	100%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Cardiff Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Cardiff's average per capita income is $56,667. Household income levels show a median of $0. The poverty rate stands at 14.29%.

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
Families	$121,250	$117,145
Married Families	$121,250	-
Households	-	$79,867
Non Families	-	$21,286

$56,667

Average Income

$0

Median Household Income

14.29%

Poverty Rate