Gregory is a city located in South Dakota. With a 2020 population of 1,275, it is the 54th largest city in South Dakota and the 9329th largest city in the United States. Gregory is currently growing at a rate of 1.03% annually but its population has decreased by -1.54% since the most recent census, which recorded a population of 1,295 in 2010. Gregory reached it's highest population of 1,294 in 2010. Spanning over 2 miles, Gregory has a population density of 741 people per square mile.
The average household income in Gregory is $53,556 with a poverty rate of 16.57%. The median rental costs in recent years comes to $524 per month, and the median house value is $69,600. The median age in Gregory is 47.4 years, 43.1 years for males, and 52.7 years for females. For every 100 females there are 95.6 males.