Leavenworth County's estimated 2026 population is 84,836 with a growth rate of 0.29% in the past year according to the most recent United States census data. Leavenworth County is the 6th largest county in Kansas. The 2010 population was 76,536 and has seen a growth of 10.84% since that time.
Data after 2023 is projected based on recent change
Overall: 38 years
Female: 39.4 years
Male: 37.2 years
There are 63,472 adults, (13,367 of whom are seniors) in Leavenworth County.
Female: 38,593 (46.4%)
Male: 44,530 (53.6%)
The racial composition of Leavenworth County includes 79.58% White, 7.03% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 66,146 | 79.58% |
| Two or more races | 7,763 | 9.34% |
| Black or African American | 5,844 | 7.03% |
| Other race | 1,656 | 1.99% |
| Asian | 1,177 | 1.42% |
| Native American | 304 | 0.37% |
| Native Hawaiian or Pacific Islander | 233 | 0.28% |
Leavenworth County's average per capita income is $52,832. Household income levels show a median of $89,218. The poverty rate stands at 8.77%.
Name | Median | Mean |
|---|---|---|
| Married Families | $121,711 | - |
| Families | $110,482 | $128,932 |
| Households | $89,218 | $108,915 |
| Non Families | $49,712 | $63,517 |
Average Income
Median Household Income
Poverty Rate