Watchung, NJ Profile: Facts, Map & Data


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Watchung, New Jersey - Basic Facts

The Borough of Watchung had a population of 6,069 as of July 1, 2017. Watchung ranks in the lower 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 Watchung is located at latitude 40.6428 and longitude -74.4362 in Somerset County. The formal boundaries for the Borough of Watchung (see map below) encompass a land area of 6.03 sq. miles and a water area of 0.03 sq. miles. Somerset County is in the Eastern time zone (GMT -5). The elevation is 180 feet.

The Borough of Watchung (GNIS ID: 885433) 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 Watchung population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Neighborhood Data

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Borough of Watchung, NJ Boundary Map

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


Total Population 6,069
Daytime Population: Workers 6,306
Daytime Population: Residents 3,323
Total Daytime Population (TDP) 9,629
Ratio TDP/Total Population1 1.59
Population in Households 5,947
Population in Familes 5,258
Population in Group Qrtrs 122
Population Density2 1,007
Diversity Index3 49


Median Household Income $129,438
Average Household Income $180,405
Per Capita Income $66,031


Total Housing Units 2,325 (100%)
Owner Occupied HU 1,722 (74.1%)
Renter Occupied HU 474 (20.4%)
Vacant Housing Units 129 ( 5.5%)
Median Home Value $771,113
Average Home Value $796,879


Total Households 2,196
Average Household Size 2.71
Family Households 1,673
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 0.62% 0.67%
Households 0.53% 0.59%
Families 0.51% 0.57%
Median Household Income   1.97%
Per Capita Income   2.02%

Watchung, NJ - Peer Comparisons by Rank and Percentile

The table below compares Watchung 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 # 232 58th
Population Density # 432 21st
Diversity Index # 230 58th
Median Household Income # 51 91st
Per Capita Income # 58 90th

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

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