# Heathcote, New Jersey

Heathcote is an unincorporated community and census-designated place (CDP) in South Brunswick Township, Middlesex County, New Jersey, United States. As of the 2020 census, the population of the CDP was 7,154, up from 5,821 in 2010.

## Geography

Heathcote is in southwestern Middlesex County, in the western part of South Brunswick Township. It is bordered to the north by Kendall Park, to the south by Monmouth Junction, to the southwest by Kingston, and to the northwest by East Rocky Hill. The northwest boundary of Heathcote follows the Somerset County line.
U.S. Route 1 passes through the eastern side of Heathcote, leading northeast 10 miles (16 km) to New Brunswick, the Middlesex county seat, and southwest 16 miles (26 km) to Trenton, the state capital. New Jersey Route 27 (Lincoln Highway) runs along the northwestern edge of Heathcote, forming the county line in places. Route 27 leads northeast to New Brunswick and southwest 5 miles (8 km) to Princeton borough. County Route 522 (Promenade Boulevard) runs east-west through Heathcote, connecting Routes 1 and 27.
According to the U.S. Census Bureau, the Heathcote CDP has an area of 3.14 square miles (8.13 km$^2$), including 0.005 square miles (0.013 km$^2$) of water (0.16%). The community lies on a slope that drains south toward Heathcote Brook, a west-flowing tributary of the Millstone River, part of the Raritan River watershed.

## Demographics
### 2010 census

The 2010 United States census counted 5,821 people, 2,326 households, and 1,558 families in the CDP. The population density was 2,252.2 people per square mile (869.6 people/km$^2$). There were 2,427 housing units at an average density of 939.0 units per square mile (362.5 units/km$^2$). The racial makeup was 48.82% (2,842) White, 9.65% (562) Black or African American, 0.12% (7) Native American, 37.21% (2,166) Asian, 0.09% (5) Pacific Islander, 1.22% (71) from other races, and 2.89% (168) from two or more races. Hispanic or Latino of any race were 5.79% (337) of the population.
Of the 2,326 households, 35.6% had children under the age of 18; 55.4% were married couples living together; 9.3% had a female householder with no husband present and 33.0% were non-families. Of all households, 27.7% were made up of individuals and 7.1% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 3.12.
Of the population, 24.7% were under the age of 18, 4.8% from 18 to 24, 30.5% from 25 to 44, 28.8% from 45 to 64, and 11.1% who were 65 years of age or older. The median age was 39.9 years. For every 100 females, the population had 88.7 males. For every 100 females ages 18 and older there were 83.1 males.

### 2000 census

As of the 2000 United States Census there were 4,755 people, 2,035 households, and 1,271 families living in the CDP. The population density was 698.1 people/km$^2$ (1,808 people/sq mi). There were 2,059 housing units at an average density of 302.3 units/km$^2$ (783 units/sq mi). The racial makeup of the CDP was 69.36% White, 10.96% African American, 0.06% Native American, 16.42% Asian, 1.07% from other races, and 2.12% from two or more races. Hispanic or Latino of any race were 4.35% of the population.
There were 2,035 households, out of which 31.4% had children under the age of 18 living with them, 50.7% were married couples living together, 9.7% had a female householder with no husband present, and 37.5% were non-families. 29.6% of all households were made up of individuals, and 3.7% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.94.
In the CDP the population was spread out, with 23.2% under the age of 18, 4.3% from 18 to 24, 40.1% from 25 to 44, 25.6% from 45 to 64, and 6.9% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 87.1 males. For every 100 females age 18 and over, there were 82.2 males.
The median income for a household in the CDP was $80,303, and the median income for a family was $92,020. Males had a median income of $71,014 versus $43,649 for females. The per capita income for the CDP was $40,641. About 1.4% of families and 2.4% of the population were below the poverty line, including 2.1% of those under age 18 and 1.2% of those age 65 or over.