Westfield, Massachusetts Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Westfield, Massachusetts is 40,673 as of the 2023 American Community Survey, making it the 37th-largest city in Massachusetts. The median household income is $82,847, the median home value is $295,500, and the median age is 39.0.
The population has declined 1.7% since 2010 (41,118 → 40,403).
40,673
Population
879
People / sq mi
$82,847
Median Income
$295,500
Median Home Value
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Westfield covers 46.3 sq mi of land at 879 people per square mile.
About Westfield, MA
What distinguishes Westfield is density: among the most sparsely settled of US cities, around 879 people per square mile. With 40,673 residents, Westfield is a city in Massachusetts. It ranks #37 among cities in Massachusetts by population.
Household earnings are middling, with a median of $82,847 — above the US median of $78,538. Poverty runs at 7.4%, below the national 12.4%. Homes carry a median value of $295,500, with typical rent around $1,064.
Degree attainment is mid-range for US cities: 32.6% of adults hold a four-year degree, below the national 35.0%. Just 7.5% of workers are home-based, below the national 14.0%, and the average commute runs about 26 minutes each way.
Westfield city Population History (2010-2024)
The city of Westfield city had a population of 41,118 in 2010 and 40,403 in 2024, a -1.7% growth over 14 years. The peak was 41,716 in 2015. Average annual growth rate: -0.12%.
40,403
Population (2024)
41,118
Population (2010)
41,716
Peak (2015)
-0.12%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 41,118 |
| 2011 | 41,436 |
| 2012 | 41,295 |
| 2013 | 41,589 |
| 2014 | 41,664 |
| 2015 | 41,716 |
| 2016 | 41,561 |
| 2017 | 41,405 |
| 2018 | 41,324 |
| 2019 | 41,204 |
| 2020 | 40,169 |
| 2021 | 40,561 |
| 2022 | 40,439 |
| 2023 | 40,283 |
| 2024 | 40,403 |
Race & Ethnicity
| White | 85.3% |
| Black or African American | 1.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Economy & Income
$82,847
Median Household Income
$40,482
Per Capita Income
7.4%
Poverty Rate
2.4%
Unemployment Rate
Housing
$295,500
Median Home Value
$1,064
Median Rent
68.0%
Owner-Occupied
Education
92.2%
High School+
32.6%
Bachelor's+
Commute
2.0%
Drive Alone
80.8%
Public Transit
7.5%
Work From Home
26.2 min
Avg Commute
Community Profile
17.2%
Foreign Born
83.9%
Non-English at Home
6.9%
Veterans
13.9%
With Disability
98.0%
Health Insurance
93.3%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 31.5% |
| Manufacturing | 12.1% |
| Finance, Insurance & Real Estate | 8.1% |
| Retail Trade | 6.7% |
| Education, Health Care & Social Services | 6.6% |
| Construction | 5.5% |
| Information | 5.3% |
| Public Administration | 4.9% |
| Arts, Entertainment & Food Services | 3.8% |
| Agriculture & Mining | 1.1% |
| Transportation & Warehousing | 0.6% |
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City rankings
Frequently Asked Questions
Westfield, Massachusetts has a population of 40,673 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 37th-largest city in Massachusetts.
The median household income in Westfield, Massachusetts is $82,847, with 7.4% of residents living below the federal poverty level.
The median home value in Westfield, Massachusetts is $295,500, with median monthly rent at $1,064 and a homeownership rate of 68.0%.
The median age in Westfield, Massachusetts is 39.0 years. The population is 48.1% male and 51.9% female.
The population has declined 1.7% since 2010 (41,118 → 40,403).
Where to stay in Westfield
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.