Decatur Flag

Decatur

County:
Brown County
County Seat:
No
Area (mi²):
33.317
State:
Ohio

Decatur is located in Brown County, Ohio. Decatur has a 2025 population of 607 . Decatur is currently declining at a rate of -0.16% annually and its population has decreased by -2.88% since the most recent census, which recorded a population of 625 in 2020.

The average household income in Decatur is $55,604 with a poverty rate of 36.68%. The median age in Decatur is 29.5 years: 29.6 years for males, and 27.6 years for females. For every 100 females there are 86.7 males.

607
Total Population
18
Density (mi²)
-1 -0.16%
Growth

Decatur Population

Decatur Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Decatur includes 88.84% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

White (88.84%)

Two or more races (10.74%)

Black or African American (0.42%)

Race
Population
Percentage (of total)
White63788.84%
Two or more races7710.74%
Black or African American30.42%

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 $33,015. Household income levels show a median of $41,528. The poverty rate stands at 36.68%.

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$75,250-
Families$63,889$65,864
Households$41,528$55,604
Non Families$15,417$15,010

$33,015

Average Income

$41,528

Median Household Income

36.68%

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)