Blackwells Mills, NJ Profile: Facts, Map & Data


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Blackwells Mills, New Jersey - Basic Facts

The Blackwells Mills Census Designated Place had a population of 797 as of July 1, 2016. Blackwells Mills ranks in the lower quartile for Population Density and the upper quartile for 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 Blackwells Mills is located at latitude 40.4836 and longitude -74.5678 in Somerset County. The formal boundaries for the Blackwells Mills Census Designated Place (see map below) encompass a land area of 1.22 sq. miles and a water area of 0.07 sq. miles. Somerset County is in the Eastern time zone (GMT -5). The elevation is 46 feet.

The Blackwells Mills Census Designated Place (GNIS ID: 2583968) 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 Blackwells Mills Census Designated Place is located within Township of Franklin, a minor civil division (MCD) of Somerset County.

Beneath the boundary map are tables with Blackwells Mills population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Blackwells Mills: Blackwell, Blackwells, Blackwell's Mills.

Neighborhood Data

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Blackwells Mills Census Designated Place, NJ Boundary Map

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Blackwells Mills, NJ Data & Demographics (As of July 1, 2016)


Total Population 797
Population in Households 794
Population in Familes 726
Population in Group Qrtrs 3
Population Density1 652
Diversity Index2 62


Total Households 233
Average Household Size 3.41
Family Households 195
Average Family Size 4


Total Housing Units 241 (100%)
Owner Occupied HU 204 (84.6%)
Renter Occupied HU 29 (12.0%)
Vacant Housing Units 8 ( 3.3%)
Median Home Value $589,602
Average Home Value $578,293


Median Household Income $137,323
Average Household Income $178,973
Per Capita Income $56,256
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.12% 0.08%
Households -0.34% -0.09%
Families -1.77% -0.1%
Median Household Income   0.52%
Per Capita Income   0.69%
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.

Blackwells Mills, NJ - Peer Comparisons by Rank and Percentile

The table below compares Blackwells Mills to the other 545 incorporated cities, towns and CDPs in New Jersey by rank and percentile using July 1, 2016 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 # 477 12th
Population Density1 # 464 15th
Diversity Index2 # 136 75th
Median Household Income # 33 94th
Per Capita Income # 83 85th

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

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