Wharton, NJ has a population of 6,586 and is the 5,403rd largest city in the United States. The population density is 3,185 per sq mi which is 162% higher than the New Jersey average and 3415% higher than the national average. The median age in Wharton is 37 which is approximately 7% lower than the New Jersey average of 40. In Wharton, 48% of the population over 15 years of age are married, 51% speak English and 42% speak Spanish. 52% of Wharton residents were born in New Jersey, 15% were born out of state, 3% were born outside of the United States and 30% were foreign born.