Doniphan County Flag

Doniphan County

State:
Kansas
County Seat:
Troy

Doniphan County's estimated 2025 population is 7,529 with a growth rate of 0.24% in the past year according to the most recent United States census data. Doniphan County is the 50th largest county in Kansas. The 2010 population was 7,959 and has seen a growth of -5.4% since that time.

7,529
Total Population
19
Population Density (mi²)
50
Population Rank (State)
18 0.24%
Annual Population Growth

Doniphan County Population

Doniphan County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Doniphan County includes 90.74% White, 3.06% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White6,79890.74%
Two or more races3875.17%
Black or African American2293.06%
Other race320.43%
Native American310.41%
Native Hawaiian or Pacific Islander80.11%
Asian70.09%

Doniphan County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Doniphan County's average per capita income is $46,966. Household income levels show a median of $72,833. The poverty rate stands at 9.8%.

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$100,788-
Families$88,872$99,351
Households$72,833$85,580
Non Families$34,602$45,829

$46,966

Average Income

$72,833

Median Household Income

9.8%

Poverty Rate