Summit is a city located in Union County New Jersey. With a 2020 population of 21,771, it is the 42nd largest city in New Jersey and the 1726th largest city in the United States . Summit is currently declining at a rate of -0.29% annually but its population has increased by 1.46% since the most recent census, which recorded a population of 21,457 in 2010. Summit reached it's highest population of 23,677 in 1960. Spanning over 6 miles, Summit has a population density of 3,632 people per square mile.
The average household income in Summit is $255,160 with a poverty rate of 4.49%. The median rental costs in recent years comes to $1,880 per month, and the median house value is $890,100. The median age in Summit is 40.1 years, 40.2 years for males, and 40 years for females.