Lincoln Park, NJ has a population of 10,488 and is the 3,809th largest city in the United States. The population density is 1,639 per sq mi which is 163832% higher than the New Jersey average and 1709% higher than the national average. The median age in Lincoln Park is 46 which is approximately 16% higher than the New Jersey average of 40. In Lincoln Park, 57% of the population over 15 years of age are married, 78% speak English and 6% speak Spanish. 65% of Lincoln Park residents were born in New Jersey, 16% were born out of state, 2% were born outside of the United States and 17% were foreign born.