Knob Noster is a very small city located in the state of Missouri. With a population of 2,833 people and two associated neighborhoods, Knob Noster is the 218th largest community in Missouri.

The armed forces are a huge part of the life in Knob Noster, employing 9.03% of the workforce. While it is a military town, the civilian sector still plays an important role in the local economy, where the Retail and Healthcare industries employ 21.73% and 21.04% of the civilian workforce, respectively.

In terms of college education, Knob Noster is nearly on par with the US average for all cities of 21.84%: 19.29% of adults 25 and older in Knob Noster have a bachelor's degree or advanced degree.

The per capita income in Knob Noster in 2018 was $30,600, which is upper middle income relative to Missouri, and middle income relative to the rest of the US. This equates to an annual income of $122,400 for a family of four. However, Knob Noster contains both very wealthy and poor people as well.

Knob Noster is a very ethnically-diverse city. The people who call Knob Noster home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Knob Noster residents report their race to be White, followed by Black or African-American. Important ancestries of people in Knob Noster include German, Irish, English, French, and Italian.

The most common language spoken in Knob Noster is English. Other important languages spoken here include Pacific Island languages and Spanish.