Leavenworth is a city located in Washington. With a 2020 population of 2,067, it is the 166th largest city in Washington and the 7493rd largest city in the United States. Leavenworth is currently growing at a rate of 0.93% annually and its population has increased by 5.19% since the most recent census, which recorded a population of 1,965 in 2010. Leavenworth reached it's highest population of 2,067 in 2021. Spanning over 1 miles, Leavenworth has a population density of 1,471 people per square mile.
The average household income in Leavenworth is $70,486 with a poverty rate of 9.38%. The median rental costs in recent years comes to $876 per month, and the median house value is $355,600. The median age in Leavenworth is 38.6 years, 41.4 years for males, and 36.7 years for females. For every 100 females there are 83.8 males.