Westfield, NJ Profile: Facts, Map & Data


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Westfield, New Jersey - Basic Facts

The Town of Westfield had a population of 31,736 as of July 1, 2017. Westfield ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in New Jersey. See peer rankings below.

The primary coordinate point for Westfield is located at latitude 40.6516 and longitude -74.3434 in Union County. The formal boundaries for the Town of Westfield (see map below) encompass a land area of 6.72 sq. miles and a water area of 0.02 sq. miles. Union County is in the Eastern time zone (GMT -5). The elevation is 128 feet.

The Town of Westfield (GNIS ID: 885436) 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, 2017.

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Town of Westfield, NJ Boundary Map

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Westfield, NJ Data & Demographics (As of July 1, 2017)


Total Population 31,736
Daytime Population: Workers 14,509
Daytime Population: Residents 16,859
Total Daytime Population (TDP) 31,368
Ratio TDP/Total Population1 0.99
Population in Households 31,515
Population in Familes 28,396
Population in Group Qrtrs 221
Population Density2 4,724
Diversity Index3 37


Median Household Income $144,591
Average Household Income $204,358
Per Capita Income $70,533


Total Housing Units 11,256 (100%)
Owner Occupied HU 8,571 (76.1%)
Renter Occupied HU 2,342 (20.8%)
Vacant Housing Units 343 ( 3.0%)
Median Home Value $712,332
Average Home Value $741,445


Total Households 10,913
Average Household Size 2.89
Family Households 8,460
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 0.63% 0.65%
Households 0.45% 0.53%
Families 0.43% 0.53%
Median Household Income   1.81%
Per Capita Income   1.86%

Westfield, NJ - Peer Comparisons by Rank and Percentile

The table below compares Westfield to the other 545 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2017 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 # 28 95th
Population Density # 118 79th
Diversity Index # 311 43rd
Median Household Income # 36 94th
Per Capita Income # 41 93rd

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

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