Martinsville, NJ Profile: Facts, Map & Data


Martinsville Local Links & Resources:
Hotels | Resources | ALL Martinsville Content

Also See: Martinsville, NJ ZIP Codes & ZIP Code Maps | Local Area Photos

Martinsville, New Jersey - Basic Facts

The Martinsville Census Designated Place had a population of 12,287 as of July 1, 2015. 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.

Beneath the boundary map are tables with Martinsville population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Alternate Unofficial Names for Martinsville: Martinville.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


Martinsville Census Designated Place, NJ Boundary Map

Also See: BIG Map | Driving Directions | NJ Congressional Districts
Boundary Maps: Township of Bridgewater | Somerset County | New Jersey Counties

Search the map for:

Martinsville, NJ Data & Demographics (As of July 1, 2015)


Total Population 12,287
Population in Households 12,247
Population in Familes 11,145
Population in Group Qrtrs 40
Population Density1 997
Diversity Index2 33


Total Households 4,438
Average Household Size 2.76
Family Households 3,591
Average Family Size 3


Total Housing Units 4,544 (100%)
Owner Occupied HU 4,121 (90.7%)
Renter Occupied HU 317 ( 7.0%)
Vacant Housing Units 106 ( 2.3%)
Median Home Value $623,402
Average Home Value $668,013


Median Household Income $135,398
Average Household Income $191,137
Per Capita Income $69,153
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.48% 0.65%
Households 0.47% 0.64%
Families 0.55% 0.65%
Median Household Income   1.93%
Per Capita Income   2.6%
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.


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, 2015 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 # 103 81st
Population Density1 # 432 21st
Diversity Index2 # 329 40th
Median Household Income # 34 94th
Per Capita Income # 26 95th

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