Andover is a city located in South Dakota. With a 2020 population of 82, it is the 245th largest city in South Dakota and the 18615th largest city in the United States. Andover is currently declining at a rate of -1.20% annually and its population has decreased by -9.89% since the most recent census, which recorded a population of 91 in 2010. Andover reached it's highest population of 91 in 2010. Spanning over 0 miles, Andover has a population density of 303 people per square mile.
The average household income in Andover is $40,787 with a poverty rate of 25.45%. The median rental costs in recent years comes to $432 per month, and the median house value is $54,000. The median age in Andover is 51.7 years, 42.5 years for males, and 55.1 years for females. For every 100 females there are 129.2 males.