Kearny is a city located in New Jersey. With a 2020 population of 41,386, it is the 21st largest city in New Jersey and the 947th largest city in the United States. Kearny is currently declining at a rate of -0.04% annually but its population has increased by 1.73% since the most recent census, which recorded a population of 40,684 in 2010. Kearny reached it's highest population of 41,681 in 2014. Spanning over 10 miles, Kearny has a population density of 4,679 people per square mile.
The average household income in Kearny is $81,469 with a poverty rate of 10.97%. The median rental costs in recent years comes to $1,243 per month, and the median house value is $323,400. The median age in Kearny is 37.7 years, 35.8 years for males, and 39.6 years for females. For every 100 females there are 104.3 males.