Knob Noster

County:: Johnson County
County Seat:: No
Area (mi²):: 2.881
State:: Missouri

Knob Noster is a city located in Johnson County, Missouri. Knob Noster has a 2025 population of 2,962. Knob Noster is currently growing at a rate of 1.23% annually and its population has increased by 6.39% since the most recent census, which recorded a population of 2,784 in 2020.

The average household income in Knob Noster is $68,287 with a poverty rate of 11.25%.The median age in Knob Noster is 31 years: 30 years for males, and 33.1 years for females.

Demographics

The racial composition of Knob Noster includes 76.52% White, 9.1% Black or African American, 4.53% Asian, and smaller percentages for Native Hawaiian or Pacific Islander, other race, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,161	76.52%
Black or African American	257	9.1%
Two or more races	208	7.37%
Asian	128	4.53%
Native Hawaiian or Pacific Islander	39	1.38%
Other race	17	0.6%
Native American	14	0.5%

Knob Noster Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Knob Noster's average per capita income is $40,142. Household income levels show a median of $60,294. The poverty rate stands at 11.25%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$92,107	-
Families	$81,037	$83,338
Households	$60,294	$68,287
Non Families	$45,014	$49,141

$40,142

Average Income

$60,294

Median Household Income

11.25%

Poverty Rate