Leavenworth city, Kansas
Official LSAD Designation: Leavenworth city • Census GEOID: 2039000
• Leavenworth County
Demographics & Population Profile
Population and demographics for Leavenworth city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 37,012 | — | 2025 | Census |
| Median Age | 35.9 yrs | ±0.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 13,733 | ±506 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).