Decatur County Flag

Decatur County

State:
Kansas
County Seat:
Oberlin

Decatur County's estimated 2025 population is 2,758 with a growth rate of 0.84% in the past year according to the most recent United States census data. Decatur County is the 82nd largest county in Kansas. The 2010 population was 2,957 and has seen a growth of -6.73% since that time.

2,758
Total Population
3
Population Density (miĀ²)
82
Population Rank (State)
23 0.84%
Annual Population Growth

Decatur County Population

Decatur County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Decatur County includes 92.68% White, and smaller percentages for Two or more races, other race, 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)
White2,54592.68%
Two or more races792.88%
Other race531.93%
Black or African American471.71%
Native American130.47%
Asian90.33%
Native Hawaiian or Pacific Islander00%

Decatur County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Decatur County's average per capita income is $33,894. Household income levels show a median of $52,030. The poverty rate stands at 12.96%.

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$84,375-
Families$74,167$92,981
Households$52,030$71,773
Non Families$36,875$41,316

$33,894

Average Income

$52,030

Median Household Income

12.96%

Poverty Rate