Twin Brooks is a city located in South Dakota. With a 2020 population of 73, it is the 255th largest city in South Dakota and the 18741st largest city in the United States. Twin Brooks is currently growing at a rate of 2.82% annually and its population has increased by 5.80% since the most recent census, which recorded a population of 69 in 2010. Spanning over 0 miles, Twin Brooks has a population density of 180 people per square mile.
The average household income in Twin Brooks is $57,295 with a poverty rate of 2.27%. The median rental costs in recent years comes to - per month, and the median house value is $50,000. The median age in Twin Brooks is 54 years, 54 years for males, and 52.5 years for females. For every 100 females there are 120.0 males.