Seymour is a city located in Indiana. With a 2020 population of 20,043, it is the 45th largest city in Indiana and the 1848th largest city in the United States. Seymour is currently growing at a rate of 0.78% annually and its population has increased by 14.51% since the most recent census, which recorded a population of 17,503 in 2010. Spanning over 12 miles, Seymour has a population density of 1,651 people per square mile.
The average household income in Seymour is $56,090 with a poverty rate of 20.64%. The median rental costs in recent years comes to $740 per month, and the median house value is $111,200. The median age in Seymour is 36.6 years, 35.1 years for males, and 37.5 years for females. For every 100 females there are 97.9 males.