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

White

Black or African American

Two or more races

Asian

Native Hawaiian or Pacific Islander

Other race

Native American

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