Lake Andes is a city located in South Dakota. With a 2020 population of 826, it is the 75th largest city in South Dakota and the 11148th largest city in the United States. Lake Andes is currently declining at a rate of 0.00% annually and its population has decreased by -6.03% since the most recent census, which recorded a population of 879 in 2010. Lake Andes reached it's highest population of 839 in 2015. Spanning over 1 miles, Lake Andes has a population density of 1,107 people per square mile.
The average household income in Lake Andes is $47,948 with a poverty rate of 26.39%. The median rental costs in recent years comes to $569 per month, and the median house value is $45,200. The median age in Lake Andes is 27.9 years, 24.2 years for males, and 31.6 years for females. For every 100 females there are 104.9 males.