Asbury is an unincorporated community and census-designated place (CDP) located within Franklin Township in Warren County, New Jersey, United States, that was created as part of the 2010 United States Census. As of the 2010 Census, the CDP's population was 273.
The community was named for Francis Asbury, the first American bishop of the Methodist Episcopal Church in the United States.
According to the United States Census Bureau, Asbury had a total area of 0.700 square miles (1.813 km2), including 0.694 square miles (1.798 km2) of land and 0.006 square miles (0.015 km2) of water (0.85%).
The 2010 United States Census counted 273 people, 105 households, and 79 families in the CDP. The population density was 393.3 inhabitants per square mile (151.9/km2). There were 108 housing units at an average density of 155.6 per square mile (60.1/km2). The racial makeup was 99.27% (271) White, 0.00% (0) Black or African American, 0.00% (0) Native American, 0.37% (1) Asian, 0.00% (0) Pacific Islander, 0.37% (1) from other races, and 0.00% (0) from two or more races. Hispanic or Latino of any race were 0.73% (2) of the population.
Of the 105 households, 31.4% had children under the age of 18; 59.0% were married couples living together; 9.5% had a female householder with no husband present and 24.8% were non-families. Of all households, 21.0% were made up of individuals and 7.6% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 2.99.
23.8% of the population were under the age of 18, 6.6% from 18 to 24, 22.3% from 25 to 44, 37.7% from 45 to 64, and 9.5% who were 65 years of age or older. The median age was 43.4 years. For every 100 females, the population had 99.3 males.