Marlborough is a city located in Massachusetts. Marlborough has a 2020 population of 39,899. Marlborough is currently growing at a rate of 0.09% annually and its population has increased by 3.42% since the most recent census, which recorded a population of 38,580 in 2010.
The average household income in Marlborough is $100,656 with a poverty rate of 6.29%. The median rental costs in recent years comes to $1,435 per month, and the median house value is $333,600. The median age in Marlborough is 40.2 years, 39.7 years for males, and 40.8 years for females. For every 100 females there are 89.6 males.