Leavenworth Flag

Leavenworth

County Seat:
Yes
Area (mi²):
24.355
State:
Kansas

Leavenworth is a city located in Leavenworth County, Kansas. Leavenworth has a 2025 population of 36,842. It is also the county seat of Leavenworth CountyLeavenworth is currently declining at a rate of -0.26% annually and its population has decreased by -1.29% since the most recent census, which recorded a population of 37,322 in 2020.

The average household income in Leavenworth is $87,328 with a poverty rate of 12.3%.The median age in Leavenworth is 35.6 years: 35.1 years for males, and 36.4 years for females.

36.8K
Total Population
1,513
Density (mi²)
-96 -0.26%
Growth

Leavenworth Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)