Ketchum is a city located in Idaho. With a 2020 population of 2,889, it is the 48th largest city in Idaho and the 6349th largest city in the United States. Ketchum is currently growing at a rate of 1.08% annually and its population has increased by 7.44% since the most recent census, which recorded a population of 2,689 in 2010. Ketchum reached it's highest population of 3,003 in 2000. Spanning over 3 miles, Ketchum has a population density of 901 people per square mile.
The average household income in Ketchum is $74,854 with a poverty rate of 10.72%. The median rental costs in recent years comes to $1,216 per month, and the median house value is $621,700. The median age in Ketchum is 46 years, 47.4 years for males, and 45.4 years for females. For every 100 females there are 85.2 males.