Decatur Flag

Decatur

County:
Decatur County
County Seat:
No
Area (mi²):
0.378
State:
Iowa

Decatur is a city located in Decatur County, Iowa. Decatur has a 2026 population of 174. Decatur 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 174 in 2020.

The median household income in Decatur is $45,781 with a poverty rate of 28.42%. The median age in Decatur is 33.5 years: 40.8 years for males, and 27 years for females. For every 100 females there are 82.7 males.

174
Total Population
460
Density (mi²)

Decatur Population

Decatur Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202617400%
202517400%
2024174-3-1.69%
2023177-1-0.56%
202217821.14%
202117621.15%
2020174-1-0.57%
201900
201800
201700
201600
201500
201400
201300
201200
201100
201000

Median Age

Overall: 33.5 years
Female: 27 years
Male: 40.8 years

Decatur Adults

There are 152 adults, (26 of whom are seniors) in Decatur.

Sex Ratio

Female: 104 (54.7%)
Male: 86 (45.3%)

Demographics

The racial composition of Decatur includes 88.42% White, 5.26% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White16888.42%
Two or more races126.32%
Other race105.26%
Race
Population ↓
Percentage (of total)
Other race105.26%
Race
Population ↓
Percentage (of total)
White16888.42%
Two or more races126.32%

Decatur Marital Status

Economics and Income Statistics

Decatur 's average per capita income is $45,625. Household income levels show a median of $45,781. The poverty rate stands at 28.42%.

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$83,750-
Households$45,781$55,409
Non Families$45,625$44,873
Families-$59,200

$45,625

Average Income

$45,781

Median Household Income

28.42%

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)