Delmont is a city located in Douglas County South Dakota. With a 2020 population of 215, it is the 173rd largest city in South Dakota and the 16453rd largest city in the United States . Delmont is currently declining at a rate of -0.46% annually and its population has decreased by -8.12% since the most recent census, which recorded a population of 234 in 2010. Delmont reached it's highest population of 233 in 2010. Spanning over 1 miles, Delmont has a population density of 282 people per square mile.
The average household income in Delmont is $60,131 with a poverty rate of 7.30%. The median rental costs in recent years comes to $475 per month, and the median house value is $62,500. The median age in Delmont is 26.8 years, 26.3 years for males, and 48.3 years for females.