Martin is a city located in South Dakota. With a 2020 population of 985, it is the 66th largest city in South Dakota and the 10351st largest city in the United States. Martin is currently declining at a rate of -2.96% annually and its population has decreased by -8.03% since the most recent census, which recorded a population of 1,071 in 2010. Martin reached it's highest population of 1,075 in 2018. Spanning over 1 miles, Martin has a population density of 1,756 people per square mile.
The average household income in Martin is $53,906 with a poverty rate of 24.43%. The median rental costs in recent years comes to $684 per month, and the median house value is $70,600. The median age in Martin is 36.3 years, 34.3 years for males, and 41.5 years for females. For every 100 females there are 109.2 males.