Roosevelt, NJ has a population of 748 and is the 17,058th largest city in the United States. The population density is 386 per sq mi which is 38460% higher than the New Jersey average and 326% higher than the national average. The median age in Roosevelt is 49 which is approximately 23% higher than the New Jersey average of 40. In Roosevelt, 70% of the population over 15 years of age are married, 92% speak English and 3% speak Spanish. 61% of Roosevelt residents were born in New Jersey, 31% were born out of state, 1% were born outside of the United States and 7% were foreign born.