Downey is a city located in Bannock County Idaho. With a 2020 population of 639, it is the 113th largest city in Idaho and the 12251st largest city in the United States . Downey is currently growing at a rate of 0.47% annually and its population has increased by 2.24% since the most recent census, which recorded a population of 625 in 2010. Downey reached it's highest population of 639 in 2021. Spanning over 1 miles, Downey has a population density of 653 people per square mile.
The average household income in Downey is $53,135 with a poverty rate of 18.32%. The median rental costs in recent years comes to $629 per month, and the median house value is $92,300. The median age in Downey is 35.7 years, 32 years for males, and 39.3 years for females.