Westfield is a city located in Massachusetts. With a 2020 population of 41,410, it is the 32nd largest city in Massachusetts and the 946th largest city in the United States. Westfield is currently declining at a rate of -0.32% annually but its population has increased by 0.77% since the most recent census, which recorded a population of 41,094 in 2010. Westfield reached it's highest population of 41,699 in 2015. Spanning over 47 miles, Westfield has a population density of 895 people per square mile.
The average household income in Westfield is $82,281 with a poverty rate of 7.32%. The median rental costs in recent years comes to $961 per month, and the median house value is $227,400. The median age in Westfield is 39.1 years, 36.2 years for males, and 41.7 years for females. For every 100 females there are 93.1 males.