Gayville is a city located in South Dakota. With a 2020 population of 387, it is the 141st largest city in South Dakota and the 14385th largest city in the United States. Gayville is currently declining at a rate of -1.53% annually and its population has decreased by -4.91% since the most recent census, which recorded a population of 407 in 2010. Gayville reached it's highest population of 412 in 2013. Spanning over 0 miles, Gayville has a population density of 1,889 people per square mile.
The average household income in Gayville is $64,577 with a poverty rate of 8.18%. The median rental costs in recent years comes to $493 per month, and the median house value is $108,100. The median age in Gayville is 40 years, 37.3 years for males, and 45.8 years for females. For every 100 females there are 89.2 males.