Edgemont is a city located in South Dakota. With a 2020 population of 688, it is the 91st largest city in South Dakota and the 11964th largest city in the United States. Edgemont is currently declining at a rate of -1.85% annually and its population has decreased by -11.11% since the most recent census, which recorded a population of 774 in 2010. Edgemont reached it's highest population of 766 in 2010. Spanning over 1 miles, Edgemont has a population density of 499 people per square mile.
The average household income in Edgemont is $38,722 with a poverty rate of 30.80%. The median rental costs in recent years comes to $656 per month, and the median house value is $38,100. The median age in Edgemont is 39.3 years, 35.1 years for males, and 42.2 years for females. For every 100 females there are 92.8 males.