Centralia Flag

Centralia

County:
Dubuque County
County Seat:
No
Area (mi²):
0.621
State:
Iowa

Centralia is a city located in Dubuque County, Iowa. Centralia has a 2025 population of 117. Centralia is currently declining at a rate of 0% annually and its population has increased by 0.86% since the most recent census, which recorded a population of 116 in 2020.

The average household income in Centralia is $84,715 with a poverty rate of 11.2%.The median age in Centralia is 37.4 years: 38.5 years for males, and 34.5 years for females.

117
Total Population
188
Density (mi²)
0 0%
Growth

Centralia Population

Centralia Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

Race
Population
Percentage (of total)
White125100%

Centralia Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Centralia's average per capita income is $55,938. Household income levels show a median of $73,750. The poverty rate stands at 11.2%.

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$131,250-
Families$110,625$99,430
Households$73,750$84,715
Non Families$38,750$50,029

$55,938

Average Income

$73,750

Median Household Income

11.2%

Poverty Rate

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)