Monroe Township, NJ 08831 ZIP Code Profile

Related Place Profiles:
Jamesburg, NJ

ZIP Code 08831: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Monroe Township, NJ 08831

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

  • ZIP Code Type: STANDARD
  • County: Middlesex County
  • Centroid: Latitude 40.35, Longitude -74.441
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1,004
  • PO Box Addresses: 229
  • Residential Addresses: 23,418
    • Multi-Family Addresses: 858
    • Single Family Addresses: 22,560

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic 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 demographic data.


08831 ZIP Code Map

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Monroe Township, NJ 08831 Data & Demographics (As of July 1, 2017)


Total Population 50,934
Daytime Population: Workers 15,983
Daytime Population: Residents 30,630
Total Daytime Population (TDP) 46,613
Ratio TDP/Total Population1 0.92
Population in Households 50,151
Population in Familes 42,137
Population in Group Qrtrs 783
Population Density2 973
Diversity Index3 51


Median Household Income $76,557
Average Household Income $110,721
Per Capita Income $45,471


Total Housing Units 22,017 (100%)
Owner Occupied HU 18,375 (83.5%)
Renter Occupied HU 2,277 (10.3%)
Vacant Housing Units 1,365 ( 6.2%)
Median Home Value $343,536
Average Home Value $384,049


Total Households 20,652
Average Household Size 2.43
Family Households 13,930
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 1.51% 1.19%
Households 1.22% 1.01%
Families 1.43% 1.13%
Median Household Income   2.59%
Per Capita Income   2.5%

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

The table below compares 08831 to the other 579 ZIP Codes 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 # 21 97th
Population Density # 383 34th
Diversity Index # 251 57th
Median Household Income # 334 42nd
Per Capita Income # 203 65th

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

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