Seymour is a city located in Jackson County Indiana. With a 2020 population of 20,389, it is the 46th largest city in Indiana and the 1826th largest city in the United States . Seymour is currently growing at a rate of 1.07% annually and its population has increased by 16.49% since the most recent census, which recorded a population of 17,503 in 2010. Seymour reached it's highest population of 20,389 in 2021. Spanning over 12 miles, Seymour has a population density of 1,680 people per square mile.
The average household income in Seymour is $59,620 with a poverty rate of 20.02%. The median rental costs in recent years comes to $778 per month, and the median house value is $119,800. The median age in Seymour is 36.4 years, 35.2 years for males, and 37.1 years for females.