Yorketown is an unincorporated community and census-designated place (CDP) within Manalapan Township, in Monmouth County, in the U.S. state of New Jersey. As of the 2020 census, the CDP's population was 6,617. 1960 1970<br> 1980 1990 2000<br> 2010 2020
| align = right
| align-fn = center
Yorketown first appeared as a census designated place in the 1980 U.S. census.
100.0% of residents lived in urban areas, while 0.0% lived in rural areas.
There were 2,030 households in Yorketown, of which 41.0% had children under the age of 18 living in them. Of all households, 73.2% were married-couple households, 9.4% were households with a male householder and no spouse or partner present, and 15.1% were households with a female householder and no spouse or partner present. About 11.1% of all households were made up of individuals and 6.1% had someone living alone who was 65 years of age or older.
Of the 1,976 households, 47.4% had children under the age of 18; 78.4% were married couples living together; 8.1% had a female householder with no husband present and 10.5% were non-families. Of all households, 9.1% were made up of individuals and 3.6% had someone living alone who was 65 years of age or older. The average household size was 3.24 and the average family size was 3.46.
Of the 1,950 households 53.4% had children under the age of 18 living with them, 82.4% were married couples living together, 7.1% had a female householder with no husband present, and 8.2% were non-families. 6.7% of households were one person and 2.1% were one person aged 65 or older. The average household size was 3.40 and the average family size was 3.56.