Phillipsburg is a city located in Warren County New Jersey. With a 2020 population of 14,096, it is the 67th largest city in New Jersey and the 2411th largest city in the United States . Phillipsburg is currently declining at a rate of -0.41% annually and its population has decreased by -5.71% since the most recent census, which recorded a population of 14,950 in 2010. Phillipsburg reached it's highest population of 19,255 in 1930. Spanning over 3 miles, Phillipsburg has a population density of 4,418 people per square mile.
The average household income in Phillipsburg is $64,783 with a poverty rate of 17.58%. The median rental costs in recent years comes to $968 per month, and the median house value is $136,800. The median age in Phillipsburg is 39 years, 36.3 years for males, and 41.6 years for females.