Yankton is a city located in South Dakota. With a 2020 population of 14,676, it is the 7th largest city in South Dakota and the 2338th largest city in the United States. Yankton is currently declining at a rate of -0.08% annually but its population has increased by 1.54% since the most recent census, which recorded a population of 14,454 in 2010. Yankton reached it's highest population of 14,700 in 2018. Spanning over 9 miles, Yankton has a population density of 1,710 people per square mile.
The average household income in Yankton is $68,888 with a poverty rate of 15.16%. The median rental costs in recent years comes to $591 per month, and the median house value is $140,500. The median age in Yankton is 40.5 years, 38.5 years for males, and 43.9 years for females. For every 100 females there are 105.7 males.