Ketchum is a city located in Blaine County Idaho. With a 2020 population of 2,879, it is the 49th largest city in Idaho and the 6372nd largest city in the United States . Ketchum is currently growing at a rate of 0.42% annually and its population has increased by 7.07% 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 898 people per square mile.
The average household income in Ketchum is $70,813 with a poverty rate of 14.58%. The median rental costs in recent years comes to $1,298 per month, and the median house value is $760,500. The median age in Ketchum is 44.6 years, 46.7 years for males, and 43.9 years for females.