Rocky Hill, NJ 08553 ZIP Code Profile

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Rocky Hill, NJ

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ZIP Code 08553: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Rocky Hill, NJ 08553

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 112
  • Single Family Addresses: 142
  • Multi-Family Addresses: 0
  • County: Somerset County
  • Centroid: Latitude 40.412, Longitude -74.645
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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08553 ZIP Code Map

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Rocky Hill, NJ 08553 Data & Demographics (As of July 1, 2017)


Total Population 647
Daytime Population: Workers 390
Daytime Population: Residents 302
Total Daytime Population (TDP) 692
Ratio TDP/Total Population1 1.07
Population in Households 636
Population in Familes 529
Population in Group Qrtrs 11
Population Density2 1,026
Diversity Index3 30


Median Household Income $102,679
Average Household Income $142,561
Per Capita Income $59,434


Total Housing Units 280 (100%)
Owner Occupied HU 202 (72.1%)
Renter Occupied HU 65 (23.2%)
Vacant Housing Units 13 ( 4.6%)
Median Home Value $454,098
Average Home Value $488,366


Total Households 267
Average Household Size 2.38
Family Households 180
Average Family Size 3
  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.


2010-2017 2017-2022
Population 0.04% 0.09%
Households -0.05% 0.07%
Families -0.08% 0.11%
Median Household Income   1.85%
Per Capita Income   2.63%

Rocky Hill, NJ 08553 - Peer Comparisons by Rank and Percentile

The table below compares 08553 to the other 579 ZIP Codes 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 # 547 6th
Population Density # 379 35th
Diversity Index # 412 29th
Median Household Income # 160 73rd
Per Capita Income # 91 84th

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

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