Hamilton Square Flag

Hamilton Square

County:
Mercer County
County Seat:
No
Area (mi²):
4.276
State:
New Jersey

Hamilton Square is a CDP located in Mercer County, New Jersey. Hamilton Square has a 2025 population of 11,672 . Hamilton Square is currently declining at a rate of -0.63% annually but its population has increased by 1.27% since the most recent census, which recorded a population of 11,526 in 2020.

The average household income in Hamilton Square is $148,426 with a poverty rate of 2.11%. The median age in Hamilton Square is 46.2 years: 44.6 years for males, and 50.6 years for females. For every 100 females there are 98.6 males.

11.7K
Total Population
2,730
Density (mi²)
-74 -0.63%
Growth

Hamilton Square Population

Hamilton Square Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Hamilton Square includes 88.65% White, 5.2% Asian, and smaller percentages for Black or African American, other race, Native American and multiracial populations.

Population by Race

White (88.65%)

Asian (5.2%)

Two or more races (3.08%)

Black or African American (2.28%)

Other race (0.71%)

Native American (0.06%)

Race
Population
Percentage (of total)
White10,32288.65%
Asian6065.2%
Two or more races3593.08%
Black or African American2662.28%
Other race830.71%
Native American70.06%

Hamilton Square Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Hamilton Square's average per capita income is $72,481. Household income levels show a median of $135,694. The poverty rate stands at 2.11%.

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$152,235-
Families$149,085$166,118
Households$135,694$148,426
Non Families$78,125$86,847

$72,481

Average Income

$135,694

Median Household Income

2.11%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)