Leavenworth County's estimated 2026 population is 86,540 with a growth rate of 1.09% 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 13.07% since that time.
Data after 2023 is projected based on recent change
The racial composition of Leavenworth County includes 80.46% White, 7.39% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (80.46%)
Two or more races (7.75%)
Black or African American (7.39%)
Other race (2.62%)
Asian (1.3%)
Native American (0.45%)
Native Hawaiian or Pacific Islander (0.04%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 66,371 | 80.46% |
| Two or more races | 6,391 | 7.75% |
| Black or African American | 6,093 | 7.39% |
| Other race | 2,161 | 2.62% |
| Asian | 1,070 | 1.3% |
| Native American | 371 | 0.45% |
| Native Hawaiian or Pacific Islander | 36 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
Leavenworth County's average per capita income is $52,972. Household income levels show a median of $86,906. The poverty rate stands at 8.64%.
Name | Median | Mean |
|---|---|---|
| Married Families | $116,228 | $135,564 |
| Families | $107,647 | $123,032 |
| Households | $86,906 | $104,102 |
| Non Families | $48,306 | $58,867 |
Average Income
Median Household Income
Poverty Rate