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By the Numbers
Westfield Demographics
A Portrait of Westfield
Westfield is a mid-sized city of about 40,800 residents in Hampden County, the 39th most populous community in Massachusetts. The figures below draw on the U.S. Census and the Massachusetts Secretary of the Commonwealth.
Population & Households
- Population (2020): 40,834
- Land area: 46.3 square miles
- Density: about 883 people per square mile
- Median age: 39.9 years
Race & Ethnicity
- White: about 83–85%
- Hispanic or Latino: about 9%
- Asian: about 3%
- Two or more races / other: the remainder
Economy & Education
- Median household income: about $87,800
- Poverty rate: about 10.7%
- Homeownership: about 69%
- Higher ed: home to Westfield State University
Registered Voters
As of the Secretary of the Commonwealth’s August 2024 enrollment count, Westfield had 29,208 registered voters.
- Unenrolled: 19,478
- Democratic: 4,986
- Republican: 4,340
- Other / minor parties: about 400
Students
- Enrollment: about 4,725 (2025–26)
- Schools: nine, PK–12
Sources
U.S. Census Bureau QuickFacts and American Community Survey; Massachusetts Secretary of the Commonwealth voter enrollment (August 2024); Massachusetts DESE (2025–26).
See how Westfield compares across the Commonwealth.