Martinsville, NJ Profile: Facts & Data


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Martinsville, New Jersey - Basic Facts

The Martinsville Census Designated Place had a population of 12,178 as of July 1, 2018. Martinsville 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 Martinsville is located at latitude 40.6029 and longitude -74.5758 in Somerset County. The formal boundaries for the Martinsville Census Designated Place (see map below) encompass a land area of 12.32 sq. miles and a water area of 0.08 sq. miles. Somerset County is in the Eastern time zone (GMT -5). The elevation is 338 feet.

The Martinsville Census Designated Place (GNIS ID: 2584010) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Martinsville Census Designated Place is located within Township of Bridgewater, a minor civil division (MCD) of Somerset County.

Alternate Unofficial Names for Martinsville: Martinville.

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  1. Martinsville 2018 Demographic Data
  2. Growth Rates for Martinsville (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. New Jersey Research Tools (Easy Tools & Current Data)
  3. New Jersey Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Martinsville, NJ Data & Demographics (As of July 1, 2018)


Total Population 12,178
Population in Households 12,139
Population in Familes 11,078
Population in Group Qrtrs 39
Population Density2 988
Diversity Index3 37


Median Household Income $158,525
Average Household Income $216,514
Per Capita Income $77,867


Total Housing Units 4,552 (100%)
Owner Occupied HU 4,010 (88.1%)
Renter Occupied HU 362 ( 8.0%)
Vacant Housing Units 180 ( 4.0%)
Median Home Value $622,169
Average Home Value $664,383


Total Households 4,372
Average Household Size 2.78
Family Households 3,525
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.2% 0.22%
Households 0.11% 0.17%
Families 0.12% 0.15%
Median Household Income   0.93%
Per Capita Income   1.83%

Martinsville, NJ - Peer Comparisons by Rank and Percentile

The table below compares Martinsville to the other 545 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2018 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 # 105 81st
Population Density # 433 21st
Diversity Index # 320 41st
Median Household Income # 27 95th
Per Capita Income # 26 95th

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

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