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 2025 population of 179. Decatur is currently growing at a rate of 0.56% annually and its population has increased by 1.7% since the most recent census, which recorded a population of 176 in 2020.

The average household income in Decatur is $48,365 with a poverty rate of 31.29%. The median age in Decatur is 38.8 years: 40.1 years for males, and 35.5 years for females.

Demographics

The racial composition of Decatur includes 87.12% White, 4.29% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	142	87.12%
Two or more races	14	8.59%
Other race	7	4.29%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Decatur Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Decatur's average per capita income is $46,000. Household income levels show a median of $33,750. The poverty rate stands at 31.29%.

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
Married Families	$63,750	-
Households	$33,750	$48,365
Families	-	$51,215
Non Families	-	$38,322

$46,000

Average Income

$33,750

Median Household Income

31.29%

Poverty Rate