Lake Ketchum is a city located in Washington. Lake Ketchum has a 2020 population of 889. Lake Ketchum is currently declining at a rate of 0.00% annually and its population has decreased by -4.41% since the most recent census, which recorded a population of 930 in 2010. Lake Ketchum reached it's highest population of 948 in 2015.
The average household income in Lake Ketchum is $87,248 with a poverty rate of 4.05%. The median rental costs in recent years comes to - per month, and the median house value is $314,400. The median age in Lake Ketchum is 41.4 years, 47.1 years for males, and 37.3 years for females. For every 100 females there are 92.4 males.