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 2026 population of 11,380. Hamilton Square is currently declining at a rate of -0.76% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Hamilton Square is $138,162 with a poverty rate of 2.25%. The median age in Hamilton Square is 44.9 years: 41.8 years for males, and 47.5 years for females. For every 100 females there are 105.2 males.

11.4K
Total Population
2,661
Density (mi²)
-87 -0.76%
Growth

Hamilton Square Population

Hamilton Square Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202611,380-87-0.76%
202511,467-88-0.76%

Median Age

Overall: 44.9 years
Female: 47.5 years
Male: 41.8 years

Hamilton Square Adults

There are 9,457 adults, (2,701 of whom are seniors) in Hamilton Square.

Sex Ratio

Female: 5,665 (48.7%)
Male: 5,957 (51.3%)

Demographics

The racial composition of Hamilton Square includes 83.57% White, 5.04% Asian, 3.35% Black or African American, and smaller percentages for Native American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White9,71383.57%
Asian5865.04%
Two or more races4964.27%
Black or African American3893.35%
Native American2882.48%
Other race1501.29%
Race
Population ↓
Percentage (of total)
White4213.62%
Native American2832.44%
Two or more races2372.04%
Other race1501.29%
Race
Population ↓
Percentage (of total)
White9,29279.95%
Asian5865.04%
Black or African American3893.35%
Two or more races2592.23%
Native American50.04%

Hamilton Square Marital Status

Economics and Income Statistics

Hamilton Square 's average per capita income is $66,696. Household income levels show a median of $138,162. The poverty rate stands at 2.25%.

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$156,146-
Families$153,129$168,659
Households$138,162$149,291
Non Families$75,521$86,151

$66,696

Average Income

$138,162

Median Household Income

2.25%

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)