Upper Pohatcong, NJ has a population of 1,489 and is the 12,732nd largest city in the United States. The population density is 2,304 per sq mi which is 90% higher than the New Jersey average and 2443% higher than the national average. The median age in Upper Pohatcong is 44 which is approximately 11% higher than the New Jersey average of 40. In Upper Pohatcong, 68% of the population over 15 years of age are married, 94% speak English and 2% speak Spanish. 64% of Upper Pohatcong residents were born in New Jersey, 30% were born out of state, 1% were born outside of the United States and 5% were foreign born.