Lake Preston is a city located in South Dakota. With a 2020 population of 546, it is the 113th largest city in South Dakota and the 12934th largest city in the United States. Lake Preston is currently declining at a rate of -0.91% annually and its population has decreased by -8.85% since the most recent census, which recorded a population of 599 in 2010. Lake Preston reached it's highest population of 606 in 2012. Spanning over 1 miles, Lake Preston has a population density of 719 people per square mile.
The average household income in Lake Preston is $51,095 with a poverty rate of 7.54%. The median rental costs in recent years comes to $428 per month, and the median house value is $71,900. The median age in Lake Preston is 52.2 years, 52.5 years for males, and 50.8 years for females. For every 100 females there are 116.3 males.