Doniphan County's estimated 2026 population is 7,665 with a growth rate of 0.59% 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 -3.69% since that time.
Data after 2023 is projected based on recent change
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.
White (90.74%)
Two or more races (5.17%)
Black or African American (3.06%)
Other race (0.43%)
Native American (0.41%)
Native Hawaiian or Pacific Islander (0.11%)
Asian (0.09%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 6,798 | 90.74% |
| Two or more races | 387 | 5.17% |
| Black or African American | 229 | 3.06% |
| Other race | 32 | 0.43% |
| Native American | 31 | 0.41% |
| Native Hawaiian or Pacific Islander | 8 | 0.11% |
| Asian | 7 | 0.09% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,788 | - |
| Families | $88,872 | $99,351 |
| Households | $72,833 | $85,580 |
| Non Families | $34,602 | $45,829 |
Average Income
Median Household Income
Poverty Rate
