Cedarville is an unincorporated community and census-designated place (CDP) located within Lawrence Township, in Cumberland County, New Jersey, United States. It is share of the Vineland-Millville-Bridgeton Primary Metropolitan Statistical Area for statistical purposes. As of the 2020 United States Census, the CDP’s population was 702.

According to the United States Census Bureau, the CDP had a total area of 2.277 square miles (5.897 km), including 2.236 square miles (5.791 km²) of estate and 0.041 square miles (0.107 km) of water (1.81%).

The 2010 United States census counted 776 people, 275 households, and 189 families in the CDP. The population density was 347.1 per square mile (134.0/km). There were 300 housing units at an average density of 134.2 per square mile (51.8/km²). The racial makeup was 79.77% (619) White, 10.05% (78) Black or African American, 1.29% (10) Native American, 0.39% (3) Asian, 0.00% (0) Pacific Islander, 5.67% (44) from extra races, and 2.84% (22) from two or more races. Hispanic or Latino of any race were 10.05% (78) of the population.

Of the 275 households, 29.8% had kids under the age of 18; 52.0% were married couples animated together; 9.8% had a female householder subsequently no husband present and 31.3% were non-families. Of whatever households, 24.7% were made in the works of individuals and 13.1% had someone blooming alone who was 65 years of age or older. The average household size was 2.80 and the average relatives size was 3.30.