Sun Valley is a city located in Blaine County Idaho. With a 2020 population of 1,496, it is the 70th largest city in Idaho and the 8715th largest city in the United States . Sun Valley is currently growing at a rate of 0.34% annually and its population has increased by 6.40% since the most recent census, which recorded a population of 1,406 in 2010. Sun Valley reached it's highest population of 1,496 in 2021. Spanning over 10 miles, Sun Valley has a population density of 156 people per square mile.
The average household income in Sun Valley is $96,242 with a poverty rate of 14.41%. The median rental costs in recent years comes to $1,648 per month, and the median house value is $825,500. The median age in Sun Valley is 61.3 years, 59.4 years for males, and 61.6 years for females.