Monroe Township, NJ 08831 ZIP Code Profile

Related Place Profiles:
Jamesburg, NJ

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Preferred City Name & Primary Data

Preferred Name, USPS
Monroe Township, NJ 08831

Acceptable Alternative
Jamesburg, NJ 08831
Monroe, NJ 08831
Monroe Twp, NJ 08831

Primary Data:

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 992
  • Single Family Addresses: 21,006
  • Multi-Family Addresses: 798
  • County: Middlesex County
  • Centroid: Latitude 40.35, Longitude -74.441
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Monroe Township, NJ 08831 - Peer Comparisons by Rank and Percentile

The table below compares 08831 to the other 567 ZIP Codes in New Jersey by rank and percentile using July 1, 2014 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 # 25 96th
Population Density1 # 384 32nd
Diversity Index2 # 247 57th
Median Household Income # 293 49th
Per Capita Income # 194 66th

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


Monroe Township, NJ 08831 Data & Demographics (As of July 1, 2014)


Total Population 47,913
Population in Households 47,120
Population in Familes 39,417
Population in Group Qrtrs 793
Population Density1 953
Diversity Index2 47


Total Households 19,616
Average Household Size 2.4
Family Households 13,136
Average Family Size 3


Total Housing Units 20,946 (100%)
Owner Occupied HU 17,591 (84.0%)
Renter Occupied HU 2,025 ( 9.7%)
Vacant Housing Units 1,330 ( 6.3%)
Median Home Value $352,109
Average Home Value $391,183


Median Household Income $77,532
Average Household Income $105,790
Per Capita Income $43,600
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 1.23% 1.16%
Households 0.97% 1.02%
Families 1.17% 1.14%
Median Household Income   3.41%
Per Capita Income   3.82%
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.

Information Updates

The Demographic Data for the 1,704 New Jersey cities, towns, counties, ZIP Codes and Census Designated Places (CDPs) profiled in this gazetteer is updated annually. Last Update: July 1, 2014.

The ZIP Code maps and the data regarding the number of residential and business addresses in each ZIP Code are updated four times per year. Last Update: November 1, 2014.

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