Henry is a city located in South Dakota. With a 2020 population of 262, it is the 164th largest city in South Dakota and the 15806th largest city in the United States. Henry is currently declining at a rate of 0.00% annually and its population has decreased by -1.87% since the most recent census, which recorded a population of 267 in 2010. Henry reached it's highest population of 268 in 2011. Spanning over 1 miles, Henry has a population density of 180 people per square mile.
The average household income in Henry is $61,243 with a poverty rate of 19.81%. The median rental costs in recent years comes to $696 per month, and the median house value is $76,000. The median age in Henry is 40.1 years, 33.6 years for males, and 43.8 years for females. For every 100 females there are 95.1 males.