Decker is a city located in Knox County Indiana. With a 2020 population of 251, it is the 489th largest city in Indiana and the 15953rd largest city in the United States . Decker is currently growing at a rate of 0.80% annually and its population has increased by 0.80% since the most recent census, which recorded a population of 249 in 2010. Decker reached it's highest population of 251 in 2021. Spanning over 0 miles, Decker has a population density of 1,390 people per square mile.
The average household income in Decker is $54,615 with a poverty rate of 20.61%. The median rental costs in recent years comes to $710 per month, and the median house value is $34,700. The median age in Decker is 34.2 years, 32.4 years for males, and 37.1 years for females.