Irene is a city located in South Dakota. With a 2020 population of 414, it is the 135th largest city in South Dakota and the 14128th largest city in the United States. Irene is currently growing at a rate of 0.24% annually but its population has decreased by -1.43% since the most recent census, which recorded a population of 420 in 2010. Irene reached it's highest population of 421 in 2011. Spanning over 0 miles, Irene has a population density of 1,622 people per square mile.
The average household income in Irene is $60,529 with a poverty rate of 9.45%. The median rental costs in recent years comes to $694 per month, and the median house value is $70,000. The median age in Irene is 36.1 years, 35.5 years for males, and 36.3 years for females. For every 100 females there are 64.7 males.