Port Republic, NJ Profile: Facts & Data


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Port Republic, New Jersey - Basic Facts

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The City of Port Republic had a population of 1,200 as of July 1, 2021. Port Republic 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 Port Republic is located at latitude 39.5207 and longitude -74.4857 in Atlantic County. The formal boundaries for the City of Port Republic encompass a land area of 7.48 sq. miles and a water area of 1.1 sq. miles. Atlantic County is in the Eastern time zone (GMT -5). The elevation is 16 feet.

The City of Port Republic has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Alternate Unofficial Names for Port Republic: Clark's Mills, Union, Uniontown, Unionville, Wrangleboro.

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  1. Port Republic 2021 Demographic Data
  2. Growth Rates for Port Republic (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. New Jersey Research Tools (Easy Tools & Current Data)
  3. New Jersey Data Comparison Tool - 2021 Demographics

Port Republic, NJ Data & Demographics (As of July 1, 2021)


Total Population 1,200 (100%)
Population in Households 1,194 (99.5%)
Population in Families 1,031 (85.9%)
Population in Group Quarters1 6 ( 0.5%)
Population Density 161
Diversity Index2 20


Median Household Income $110,640
Average Household Income $136,055
% of Income for Mortgage4 12%
Per Capita Income $50,876
Wealth Index5 210


Total HU (Housing Units) 479 (100%)
Owner Occupied HU 414 (86.4%)
Renter Occupied HU 35 ( 7.3%)
Vacant Housing Units 30 ( 6.3%)
Median Home Value $309,545
Average Home Value $365,981
Housing Affordability Index3 194


Total Households 449
Average Household Size 2.66
Family Households 338
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.


2010-2021 2021-2026
Population 0.66% -0.05%
Households 0.7% 0.0%
Families 0.49% -0.06%
Median Household Income   2.15%
Per Capita Income   2.63%
Owner Occupied HU   0.1%

Port Republic, NJ - Peer Comparisons by Rank and Percentile

The table below compares Port Republic to the other 545 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2021 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 # 453 17th
Population Density # 535 2nd
Median Household Income # 148 73rd
Housing Affordability Index # 520 95th
Per Capita Income # 200 63rd
Diversity Index # 470 14th

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

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