Ethan is a city located in South Dakota. With a 2020 population of 309, it is the 152nd largest city in South Dakota and the 15215th largest city in the United States. Ethan is currently declining at a rate of -1.90% annually and its population has decreased by -6.65% since the most recent census, which recorded a population of 331 in 2010. Ethan reached it's highest population of 340 in 2012. Spanning over 0 miles, Ethan has a population density of 1,249 people per square mile.
The average household income in Ethan is $67,570 with a poverty rate of 4.29%. The median rental costs in recent years comes to $684 per month, and the median house value is $86,700. The median age in Ethan is 36 years, 34.8 years for males, and 37.3 years for females. For every 100 females there are 92.7 males.