East Franklin is an unincorporated community and census-designated place (CDP) located in Franklin Township, in Somerset County, in the U.S. state of New Jersey. As of the 2020 census, East Franklin had a population of 9,788.
According to the United States Census Bureau, East Franklin had a total area of , including of land and of water (0.15%).
East Franklin first appeared as a census designated place in the 2010 U.S. census formed from part of the Somerset CDP and additional area.
The 2010 United States census counted 8,669 people, 2,488 households, and 1,864 families in the CDP. The population density was . There were 2,646 housing units at an average density of . The racial makeup was 29.46% (2,554) White, 38.98% (3,379) Black or African American, 0.66% (57) Native American, 5.23% (453) Asian, 0.03% (3) Pacific Islander, 20.66% (1,791) from other races, and 4.98% (432) from two or more races. Hispanic or Latino of any race were 41.12% (3,565) of the population.
Of the 2,488 households, 38.8% had children under the age of 18; 43.4% were married couples living together; 23.0% had a female householder with no husband present and 25.1% were non-families. Of all households, 18.7% were made up of individuals and 6.9% had someone living alone who was 65 years of age or older. The average household size was 3.48 and the average family size was 3.89.
28.4% of the population were under the age of 18, 12.0% from 18 to 24, 29.6% from 25 to 44, 21.2% from 45 to 64, and 8.9% who were 65 years of age or older. The median age was 31.3 years. For every 100 females, the population had 95.3 males. For every 100 females ages 18 and older there were 94.4 males.