Downey is a city located in Idaho. With a 2020 population of 640, it is the 111th largest city in Idaho and the 12265th largest city in the United States. Downey is currently growing at a rate of 0.47% annually and its population has increased by 2.40% since the most recent census, which recorded a population of 625 in 2010. Spanning over 1 miles, Downey has a population density of 654 people per square mile.
The average household income in Downey is $50,508 with a poverty rate of 12.91%. The median rental costs in recent years comes to $638 per month, and the median house value is $87,700. The median age in Downey is 38.7 years, 29.9 years for males, and 42.5 years for females. For every 100 females there are 139.7 males.