Also See: Rocky Hill, NJ ZIP Codes & ZIP Code Maps
The Borough of Rocky Hill had a population of 690 as of July 1, 2020. 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 40.3998 and longitude -74.6343 in Somerset County. The formal boundaries for the Borough of Rocky Hill 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.
Alternate Unofficial Names for Rocky Hill: Rockyhill.
|Total Population||690 (100%)|
|Population in Households||675 (97.8%)|
|Population in Families||560 (81.2%)|
|Population in Group Quarters1||15 ( 2.2%)|
|Median Household Income||$120,740|
|Average Household Income||$157,943|
|% of Income for Mortgage4||19%|
|Per Capita Income||$64,362|
|Total HU (Housing Units)||292 (100%)|
|Owner Occupied HU||211 (72.3%)|
|Renter Occupied HU||70 (24.0%)|
|Vacant Housing Units||11 ( 3.8%)|
|Median Home Value||$539,530|
|Average Home Value||$559,716|
|Housing Affordability Index3||102|
|Average Household Size||2.4|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||1.04%|
|Per Capita Income||1.94%|
|Owner Occupied HU||0.0%|
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, 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.
|Total Population||# 484||11th|
|Population Density||# 417||24th|
|Median Household Income||# 113||79th|
|Housing Affordability Index||# 149||27th|
|Per Capita Income||# 91||83rd|
|Diversity Index||# 361||34th|
Additional comparisons and rankings can be made with a VERY EASY TO USE New Jersey Census Data Comparison Tool.