Knob Noster is a city located in Missouri. With a 2020 population of 2,779, it is the 195th largest city in Missouri and the 6472nd largest city in the United States. Knob Noster is currently growing at a rate of 0.54% annually and its population has increased by 2.58% since the most recent census, which recorded a population of 2,709 in 2010. Knob Noster reached it's highest population of 2,797 in 2014. Spanning over 3 miles, Knob Noster has a population density of 965 people per square mile.
The average household income in Knob Noster is $51,551 with a poverty rate of 11.61%. The median rental costs in recent years comes to $698 per month, and the median house value is $116,800. The median age in Knob Noster is 28.1 years, 25.9 years for males, and 33.9 years for females. For every 100 females there are 148.4 males.