| Hamilton Square, New Jersey | |
| Settlement Type: | Census-designated place |
| Mapsize: | 250px |
| Pushpin Map: | USA New Jersey Mercer County#USA New Jersey#USA |
| Pushpin Label: | Hamilton Square |
| Pushpin Map Caption: | Location in Mercer County##Location in New Jersey##Location in the United States |
| Pushpin Relief: | yes |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Mercer |
| Subdivision Type3: | Township |
| Subdivision Name3: | Hamilton |
| Named For: | Alexander Hamilton |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 11.23 |
| Area Land Km2: | 11.07 |
| Area Water Km2: | 0.15 |
| Area Total Sq Mi: | 4.34 |
| Area Land Sq Mi: | 4.28 |
| Area Water Sq Mi: | 0.06 |
| Area Water Percent: | 0.56 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 12679 |
| Population Density Km2: | 1144.90 |
| Population Density Sq Mi: | 2965.15 |
| Timezone: | Eastern (EST) |
| Utc Offset: | −05:00 |
| Timezone Dst: | Eastern (EDT) |
| Utc Offset Dst: | −04:00 |
| Elevation Footnotes: | [3] |
| Elevation M: | 31 |
| Elevation Ft: | 102 |
| Coordinates: | 40.225°N -74.6505°W |
| Postal Code Type: | ZIP Code |
| Postal Code: | 08690[4] |
| Blank Name: | FIPS code |
| Blank Info: | [5] [6] [7] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 02583998[8] |
Hamilton Square is an unincorporated community and census-designated place (CDP)[9] located within Hamilton Township, in Mercer County, in the U.S. state of New Jersey,[10] that is the site of a historic colonial village. Until the 2000 census the area was part of the Mercerville-Hamilton Square CDP, which was split into two CDPs as of 2010: Mercerville and Hamilton Square.[11]
Hamilton Square was established in 1692 and was named after Alexander Hamilton in a wave of anti-British feeling at the time of the War of 1812.[12] [13] It previously had been called "Nottingham" after the British town.[14] As of the 2020 census, the CDP's population was 12,679.[2]
Hamilton Square is in southern Mercer County, 5miles east of Trenton, the state capital. The CDP is in the eastern part of Hamilton Township and is bordered to the east by Robbinsville Township. The community of Mercerville borders Hamilton Square to the west.
New Jersey Route 33 passes through the center of Hamilton Square, leading west into Trenton and east to U.S. Route 206 and thence Hightstown. U.S. 206 forms the southeast border of the Hamilton Square CDP, while Interstate 195 forms the southern border.
According to the United States Census Bureau, Hamilton Square has a total area of 4.367 square miles (11.312 km2), including 4.343 square miles (11.249 km2) of land and 0.024 square miles (0.063 km2) of water (0.56%).[5] [15] The center of the community is on high ground which drains north toward Miry Run and south toward Pond Run, both of which are west-flowing tributaries of Assunpink Creek leading to the Delaware River in Trenton.
The 2010 United States census counted 12,784 people, 4,532 households, and 3,703 families in the CDP. The population density was . There were 4,618 housing units at an average density of . The racial makeup was 92.76% (11,858) White, 1.74% (223) Black or African American, 0.08% (10) Native American, 3.57% (457) Asian, 0.02% (3) Pacific Islander, 0.64% (82) from other races, and 1.18% (151) from two or more races. Hispanic or Latino of any race were 3.81% (487) of the population.
Of the 4,532 households, 33.0% had children under the age of 18; 69.7% were married couples living together; 8.7% had a female householder with no husband present and 18.3% were non-families. Of all households, 15.9% were made up of individuals and 8.8% had someone living alone who was 65 years of age or older. The average household size was 2.79 and the average family size was 3.13.
22.2% of the population were under the age of 18, 7.7% from 18 to 24, 21.5% from 25 to 44, 32.9% from 45 to 64, and 15.6% who were 65 years of age or older. The median age was 44.1 years. For every 100 females, the population had 93.6 males. For every 100 females ages 18 and older there were 89.6 males.
All of Hamilton Township, including Hamilton Square, is served by the Hamilton Township School District.[16]
Schools that service the Hamilton Square area are: Morgan Elementary School, Sayen Elementary School, Langtree Elementary School, Alexander Elementary School, Robinson Elementary School, Reynolds Middle School, Crockett Middle School, Nottingham High School, and Steinert High School.
People who were born in, residents of, or otherwise closely associated with Hamilton Square include: