Cardiff Flag

Cardiff

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.

50
Total Population
239
Density (mi²)
-1 -1.96%
Growth

Cardiff Population

Cardiff Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Cardiff includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White42100%

Cardiff Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)