Rockham is a city located in South Dakota. With a 2020 population of 33, it is the 293rd largest city in South Dakota and the 19276th largest city in the United States. Rockham is currently declining at a rate of 0.00% annually and its population has decreased by 0.00% since the most recent census, which recorded a population of 33 in 2010. Rockham reached it's highest population of 33 in 2010. Spanning over 0 miles, Rockham has a population density of 66 people per square mile.
The average household income in Rockham is $49,382 with a poverty rate of 0.00%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Rockham is 43.5 years, 34.8 years for males, and 52.3 years for females. For every 100 females there are 130.8 males.