Belleplain, NJ Profile: Facts & Data


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Belleplain, New Jersey - Basic Facts

The Belleplain Census Designated Place had a population of 592 as of July 1, 2020. Belleplain ranks in the lower quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in New Jersey. See peer rankings below.

The primary coordinate point for Belleplain is located at latitude 39.2687 and longitude -74.8666 in Cape May County. The formal boundaries for the Belleplain Census Designated Place encompass a land area of 7.39 sq. miles and a water area of 0.01 sq. miles. Cape May County is in the Eastern time zone (GMT -5). The elevation is 49 feet.

The Belleplain Census Designated Place (GNIS ID: 2629044) 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 Belleplain Census Designated Place is located within Township of Dennis, a minor civil division (MCD) of Cape May County.

Alternate Unofficial Names for Belleplain: Belle Plain, Belle Plains.


Belleplain, NJ Data & Demographics (As of July 1, 2020)


Total Population 592 (100%)
Population in Households 589 (99.5%)
Population in Families 508 (85.8%)
Population in Group Quarters1 3 ( 0.5%)
Population Density 81
Diversity Index2 14


Median Household Income $76,803
Average Household Income $99,143
% of Income for Mortgage4 14%
Per Capita Income $36,745
Wealth Index5 130


Total HU (Housing Units) 233 (100%)
Owner Occupied HU 200 (85.8%)
Renter Occupied HU 18 ( 7.7%)
Vacant Housing Units 15 ( 6.4%)
Median Home Value $262,500
Average Home Value $320,101
Housing Affordability Index3 186


Total Households 218
Average Household Size 2.7
Family Households 163
Average Family Size 3
  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.


2010-2020 2020-2025
Population -0.08% -0.37%
Households 0.0% -0.28%
Families -0.47% -0.25%
Median Household Income   1.26%
Per Capita Income   1.75%
Owner Occupied HU   -0.2%


Belleplain, NJ - Peer Comparisons by Rank and Percentile

The table below compares Belleplain to the other 545 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2020 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 # 489 10th
Population Density # 539 1st
Median Household Income # 345 37th
Housing Affordability Index # 505 93rd
Per Capita Income # 372 32nd
Diversity Index # 504 8th

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

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