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 and multiracial populations.

Population by Race

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%

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