Decatur Flag

Decatur

County:
Decatur County
County Seat:
No
Area (mi²):
35.691
State:
Iowa

Decatur is located in Decatur County, Iowa. Decatur has a 2025 population of 309 . 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 0 in 2020.

The average household income in Decatur is $68,775 with a poverty rate of 16.5%. The median age in Decatur is 40.1 years: 39.5 years for males, and 41.1 years for females. For every 100 females there are 96.8 males.

309
Total Population
9
Density (mi²)

Decatur Population

Decatur Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Decatur includes 89.64% White, and smaller percentages for other race and multiracial populations.

Population by Race

White (89.64%)

Two or more races (8.09%)

Other race (2.27%)

Race
Population
Percentage (of total)
White27789.64%
Two or more races258.09%
Other race72.27%

Decatur Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Decatur's average per capita income is $48,750. Household income levels show a median of $60,938. The poverty rate stands at 16.5%.

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$69,318-
Non Families$61,875$64,569
Households$60,938$68,775
Families$59,250$71,188

$48,750

Average Income

$60,938

Median Household Income

16.5%

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)