Middlesex is a city located in New Jersey. Middlesex has a 2020 population of 13,914. Middlesex is currently growing at a rate of 0.73% annually and its population has increased by 2.09% since the most recent census, which recorded a population of 13,629 in 2010.
The average household income in Middlesex is $98,420 with a poverty rate of 5.37%. The median rental costs in recent years comes to $1,364 per month, and the median house value is $300,400. The median age in Middlesex is 40.1 years, 36.9 years for males, and 44.4 years for females. For every 100 females there are 100.1 males.