Westfield, MA Profile: Facts, Map & Data


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Westfield, Massachusetts - Basic Facts

The City of Westfield had a population of 42,307 as of July 1, 2016.

The primary coordinate point for Westfield is located at latitude 42.1388 and longitude -72.7559 in Hampden County. The formal boundaries for the City of Westfield (see map below) encompass a land area of 46.26 sq. miles and a water area of 1.06 sq. miles. Hampden County is in the Eastern time zone (GMT -5). The elevation is 141 feet.

The City of Westfield (GNIS ID: 618193) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Westfield population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Westfield: Kee, Warronoco, Westfield Centre.

Neighborhood Data

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City of Westfield, MA Boundary Map

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Westfield, MA Data & Demographics (As of July 1, 2016)


Total Population 42,307
Population in Households 39,232
Population in Familes 31,408
Population in Group Qrtrs 3,075
Population Density1 915
Diversity Index2 34


Total Households 15,770
Average Household Size 2.49
Family Households 10,267
Average Family Size 3


Total Housing Units 16,313 (100%)
Owner Occupied HU 10,344 (63.4%)
Renter Occupied HU 5,426 (33.3%)
Vacant Housing Units 543 ( 3.3%)
Median Home Value $224,233
Average Home Value $244,139


Median Household Income $57,786
Average Household Income $79,206
Per Capita Income $30,385
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.47% 0.42%
Households 0.45% 0.43%
Families 0.36% 0.38%
Median Household Income   1.05%
Per Capita Income   1.38%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Westfield, MA - Peer Comparisons by Rank and Percentile

The table below compares Westfield to the other 246 incorporated cities, towns and CDPs in Massachusetts by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 32 87th
Population Density1 # 167 33rd
Diversity Index2 # 72 70th
Median Household Income # 171 31st
Per Capita Income # 181 27th

Additional comparisons and rankings can be made with a VERY EASY TO USE Massachusetts Census Data Comparison Tool.

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