Sayreville is a city located in Middlesex County New Jersey. With a 2020 population of 43,773, it is the 19th largest city in New Jersey and the 891st largest city in the United States . Sayreville is currently declining at a rate of -0.45% annually but its population has increased by 2.50% since the most recent census, which recorded a population of 42,704 in 2010. Sayreville reached it's highest population of 44,523 in 2017. Spanning over 19 miles, Sayreville has a population density of 2,765 people per square mile.
The average household income in Sayreville is $99,223 with a poverty rate of 6.96%. The median rental costs in recent years comes to $1,332 per month, and the median house value is $302,800. The median age in Sayreville is 39.2 years, 38.7 years for males, and 39.5 years for females.