Milbank is a city located in South Dakota. With a 2020 population of 3,037, it is the 24th largest city in South Dakota and the 6220th largest city in the United States. Milbank is currently declining at a rate of -1.07% annually and its population has decreased by -9.42% since the most recent census, which recorded a population of 3,353 in 2010. Milbank reached it's highest population of 4,120 in 1980. Spanning over 3 miles, Milbank has a population density of 1,076 people per square mile.
The average household income in Milbank is $68,878 with a poverty rate of 8.90%. The median rental costs in recent years comes to $617 per month, and the median house value is $130,600. The median age in Milbank is 40.9 years, 40.4 years for males, and 41.7 years for females. For every 100 females there are 98.5 males.