Doniphan County's estimated 2026 population is 7,594 with a growth rate of 0% 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 -4.59% since that time.
Data after 2023 is projected based on recent change
Overall: 41.1 years
Female: 42.1 years
Male: 39.4 years
There are 5,920 adults, (1,513 of whom are seniors) in Doniphan County.
Female: 3,748 (50%)
Male: 3,755 (50%)
The racial composition of Doniphan County includes 89.99% White, 3.28% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander, Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 6,752 | 89.99% |
| Two or more races | 428 | 5.7% |
| Black or African American | 246 | 3.28% |
| Other race | 32 | 0.43% |
| Native American | 25 | 0.33% |
| Native Hawaiian or Pacific Islander | 12 | 0.16% |
| Asian | 8 | 0.11% |
Doniphan County's average per capita income is $47,726. Household income levels show a median of $74,028. The poverty rate stands at 9.65%.
Name | Median | Mean |
|---|---|---|
| Married Families | $104,047 | - |
| Families | $92,524 | $104,736 |
| Households | $74,028 | $89,700 |
| Non Families | $32,440 | $48,388 |
Average Income
Median Household Income
Poverty Rate