Rocky Hill, NJ Profile: Facts, Map & Data

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Rocky Hill, New Jersey - Basic Facts

The Borough of Rocky Hill had a population of 684 as of July 1, 2017. Rocky Hill ranks in the lower quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in New Jersey. See peer rankings below.

The primary coordinate point for Rocky Hill is located at latitude 40.4003 and longitude -74.6389 in Somerset County. The formal boundaries for the Borough of Rocky Hill (see map below) encompass a land area of 0.62 sq. miles and a water area of 0 sq. miles. Somerset County is in the Eastern time zone (GMT -5). The elevation is 85 feet.

The Borough of Rocky Hill (GNIS ID: 885376) 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.

Beneath the boundary map are tables with Rocky Hill population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Rocky Hill: Rockyhill.


Neighborhood Data

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Borough of Rocky Hill, NJ Boundary Map



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Rocky Hill, NJ Data & Demographics (As of July 1, 2017)

POPULATION

Total Population 684
Daytime Population: Workers 390
Daytime Population: Residents 320
Total Daytime Population (TDP) 710
Ratio TDP/Total Population1 1.04
Population in Households 673
Population in Familes 559
Population in Group Qrtrs 11
Population Density2 1,105
Diversity Index3 30
 

INCOME

Median Household Income $102,529
Average Household Income $142,538
Per Capita Income $58,744

HOUSING

Total Housing Units 292 (100%)
Owner Occupied HU 211 (72.3%)
Renter Occupied HU 68 (23.3%)
Vacant Housing Units 13 ( 4.5%)
Median Home Value $453,906
Average Home Value $487,441
 

HOUSEHOLDS

Total Households 279
Average Household Size 2.41
Family Households 188
Average Family Size 3
NOTES
  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.

GROWTH RATE / YEAR

2010-2017 2017-2022
Population 0.04% 0.09%
Households -0.05% 0.07%
Families -0.07% 0.11%
Median Household Income   1.92%
Per Capita Income   2.64%

Rocky Hill, NJ - Peer Comparisons by Rank and Percentile

The table below compares Rocky Hill to the other 545 incorporated cities, towns and CDPs 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 # 483 12th
Population Density # 419 23rd
Diversity Index # 361 34th
Median Household Income # 135 75th
Per Capita Income # 80 86th

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

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