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.

9.03% of the workforce is employed in the armed forces, making the military a huge focus of life in Knob Noster. Even though it is a military town, the civilian sector still plays an important role in the local economy. The Retail and Healthcare industries respectively employ 21.73% and 21.04% of the civilian workforce.

The percentage of adults in Knob Noster who are college-educated is close to the national average for all communities of 21.84%: 19.29% of the adults in Knob Noster have a bachelor's degree or advanced degree.

The per capita income in Knob Noster in 2022 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.