Sumner is a city located in Mississippi. With a 2020 population of 267, it is the 256th largest city in Mississippi and the 15734th largest city in the United States. Sumner is currently declining at a rate of -2.20% annually and its population has decreased by -15.51% since the most recent census, which recorded a population of 316 in 2010. Sumner reached it's highest population of 318 in 2011. Spanning over 1 miles, Sumner has a population density of 486 people per square mile.
The average household income in Sumner is $68,136 with a poverty rate of 5.16%. The median rental costs in recent years comes to - per month, and the median house value is $88,300. The median age in Sumner is 53.4 years, 49.5 years for males, and 56.4 years for females. For every 100 females there are 77.5 males.