Glen Rock is a city located in Bergen County New Jersey. With a 2020 population of 11,567, it is the 84th largest city in New Jersey and the 2794th largest city in the United States . Glen Rock is currently declining at a rate of -0.60% annually and its population has decreased by -0.29% since the most recent census, which recorded a population of 11,601 in 2010. Glen Rock reached it's highest population of in . Spanning over 3 miles, Glen Rock has a population density of 4,279 people per square mile.
The average household income in Glen Rock is $217,048 with a poverty rate of 2.90%. The median rental costs in recent years comes to $1,840 per month, and the median house value is $646,600. The median age in Glen Rock is 40.6 years, 38.3 years for males, and 41.8 years for females.