Knob Noster is a city in Johnson County, Missouri. As of the 2010 census, the city's population was 2,709. The city is located adjacent to Knob Noster State Park. The city is named after the Knobs, which are geographical features. Some legends claim they were the site of a Native American battle, although there is no confirmation of that.
Knob Noster's population was fairly evenly spread out, with the median age being 27.1 years. Twenty-four percent of residents were under the age of 18, while 28.3% were 25-44 years old. Twenty-nine percent were 45-64 years old, while seven percent were 65 years old and older. The city's population ratio was 51.6% males and 48.4% females.
The city's zoning ordinance prohibits any use that could pose a hazard to an airplane's approach or departure. This regulation is effective on unplatted land and undeveloped property. Once a building is platted, it is considered to be within the AOD. The provisions of the AOD also apply to areas outside the city limits, upon annexation.