Princeton

County:: Mercer County
County Seat:: Yes
Area (mi²):: 1.589
State:: Missouri

Princeton is a city located in Mercer County, Missouri. Princeton has a 2025 population of 980. It is also the county seat of Mercer County. Princeton is currently declining at a rate of -0.41% annually and its population has decreased by -2% since the most recent census, which recorded a population of 1,000 in 2020.

The average household income in Princeton is $59,077 with a poverty rate of 19.1%. The median age in Princeton is 39.2 years: 39 years for males, and 39.7 years for females.

Demographics

The racial composition of Princeton includes 87.45% White, 5.44% other race, and smaller percentages for Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,254	87.45%
Other race	78	5.44%
Two or more races	66	4.6%
Native American	22	1.53%
Black or African American	8	0.56%
Asian	6	0.42%
Native Hawaiian or Pacific Islander	0	0%

Princeton Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Princeton's average per capita income is $46,213. Household income levels show a median of $55,066. The poverty rate stands at 19.1%.

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	$75,750	-
Families	$62,656	$68,664
Households	$55,066	$59,077
Non Families	$28,529	$42,232

$46,213

Average Income

$55,066

Median Household Income

19.1%

Poverty Rate