08823 ZIP Code Profile, Map, Data & Demographics


ZIP Code 08823: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Franklin Park, NJ 08823

  • ZIP Code Type: STANDARD
  • County: Somerset County
  • Centroid: Latitude 40.442, Longitude -74.543
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 167
  • PO Box Addresses: 70
  • Residential Addresses: 3,846
    • Multi-Family Addresses: 0
    • Single Family Addresses: 3,846

The ZIP Code maps and database are updated 4 times per year.
Database updated: April 1, 2024, Maps updated: February 2, 2024.


Franklin Park, NJ 08823 Data & Demographics (As of July 1, 2023)


Total Population 9,075 (100%)
Population in Households 9,062 (99.9%)
Population in Families 7,374 (81.3%)
Population in Group Quarters1 13 ( 0.1%)
Population Density 2,848
Diversity Index2 76


Median Household Income $102,139
Average Household Income $132,837
% of Income for Mortgage4 21%
Per Capita Income $53,488
Wealth Index5 116
Socioeconomic Status Index6 Moderate (54.5)


Total HU (Housing Units) 3,793 (100%)
Owner Occupied HU 2,515 (66.3%)
Renter Occupied HU 1,139 (30.0%)
Vacant Housing Units 139 ( 3.7%)
Median Home Value $350,954
Average Home Value $373,221
Housing Affordability Index3 100


Total Households 3,654
Average Household Size 2.48
Family Households 2,316
Average Family Size 3.00
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.


2020-2023 2023-2028
Population -0.08% -0.43%
Households 0.14% -0.13%
Families   -0.10%
Median Household Income   1.10%
Per Capita Income   2.61%
Owner Occupied HU   0.28%

Franklin Park, NJ 08823 - Peer Comparisons by Rank and Percentile

The table below compares 08823 to the other 578 ZIP Codes in New Jersey by rank and percentile using July 1, 2023 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 # 325 44th
Population Density # 226 61st
Median Household Income # 298 49th
Housing Affordability Index # 488 84th
Per Capita Income # 278 52nd
Diversity Index # 118 80th

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

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