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 2026 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 median household income in Centralia is $77,500 with a poverty rate of 0%. The median age in Centralia is 37.3 years: 38.4 years for males, and 34.5 years for females. For every 100 females there are 95.0 males.

117
Total Population
188
Density (mi²)

Centralia Population

Centralia Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202611700%
202511700%
2024117-1-0.85%
202311800%
202211832.61%
2021115-1-0.86%
202011600%
201912900%
201812921.57%
2017127-1-0.78%
201612821.59%
201512600%
201412621.61%
201312400%
2012124-1-0.8%
2011125-9-6.72%
201012300%

Median Age

Overall: 37.3 years
Female: 34.5 years
Male: 38.4 years

Centralia Adults

There are 82 adults, (15 of whom are seniors) in Centralia.

Sex Ratio

Female: 60 (51.3%)
Male: 57 (48.7%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White117100%
Race
Population ↓
Percentage (of total)
White117100%

Centralia Marital Status

Economics and Income Statistics

Centralia 's average per capita income is $58,125. Household income levels show a median of $77,500. The poverty rate stands at 0%.

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$122,500$111,857
Married Families$116,250-
Households$77,500$85,620
Non Families$32,500$46,265

$58,125

Average Income

$77,500

Median Household Income

0%

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)