Alexandria is a city located in South Dakota. With a 2020 population of 686, it is the 90th largest city in South Dakota and the 11967th largest city in the United States. Alexandria is currently growing at a rate of 3.16% annually and its population has increased by 11.54% since the most recent census, which recorded a population of 615 in 2010. Alexandria reached it's highest population of 686 in 2021. Spanning over 1 miles, Alexandria has a population density of 1,100 people per square mile.
The average household income in Alexandria is $58,925 with a poverty rate of 3.99%. The median rental costs in recent years comes to $850 per month, and the median house value is $107,300. The median age in Alexandria is 30.6 years, 24 years for males, and 33.8 years for females. For every 100 females there are 96.1 males.