ZIP Code Tabulation Area · New Jersey

ZIP Code 08553: Rocky Hill, NJ

ZIP Code 08553 (Rocky Hill, Somerset County, New Jersey) has an estimated 819 residents in 318 households. The median household income is $148,056, the median home value is $597,200 and the median gross rent is $1,799/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Some estimates have a large margin of error. 2 figures for this ZIP (bachelor's or higher, owner-occupied) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

819

Margin of error ±152

Median household income

$148,056

Margin of error ±$46,157

Median home value

$597,200

Margin of error ±$31,475

Median gross rent

$1,799/mo

Margin of error ±$93

Median age

44.5 yrs

Margin of error ±6.8 yrs

Mean travel time to work

22.6 min

Margin of error ±8.5 min

How ZIP 08553 compares with New Jersey and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 0855344.5 yrsNew Jersey40.1 yrsUnited States38.9 yrs

Median household income

ZIP 08553$148,056New Jersey$103,556United States$80,734

Per capita income

ZIP 08553$80,279New Jersey$54,253United States$44,673

Poverty rate

ZIP 085533.9%New Jersey9.7%United States12.5%

Unemployment rate

ZIP 085535.3%New Jersey6.3%United States5.2%

Bachelor's degree or higher

ZIP 0855371.1%*New Jersey43.6%United States35.7%

Median home value

ZIP 08553$597,200New Jersey$454,400United States$332,700

Median gross rent

ZIP 08553$1,799/moNew Jersey$1,720/moUnited States$1,413/mo

Owner-occupied homes

ZIP 0855376.4%*New Jersey63.8%United States65.2%

Mean travel time to work

ZIP 0855322.6 minNew Jersey30.5 minUnited States26.4 min

Worked from home

ZIP 0855331.4%New Jersey16.8%United States15.1%

All figures for ZIP 08553

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 08553 — ACS 2020–2024 5-year estimates
MeasureZIP 08553Margin of errorNew JerseyUnited States
Total population819±1529,343,809334,922,499
Median age44.5 yrs±6.8 yrs40.1 yrs38.9 yrs
Households318±673,507,701129,227,496
Median household income$148,056±$46,157$103,556$80,734
Per capita income$80,279±$7,909$54,253$44,673
Poverty rate3.9%±1.7 pts9.7%12.5%
Unemployment rate5.3%±3.1 pts6.3%5.2%
Bachelor's degree or higher71.1%*±17.4 pts43.6%35.7%
Median home value$597,200±$31,475$454,400$332,700
Median gross rent$1,799/mo±$93$1,720/mo$1,413/mo
Owner-occupied homes76.4%*±20.8 pts63.8%65.2%
Mean travel time to work22.6 min±8.5 min30.5 min26.4 min
Worked from home31.4%±7.7 pts16.8%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 08553
GroupZIP 08553New JerseyUnited States
White alone, not Hispanic or Latino79.9%50.9%57.4%
Black or African American alone, not Hispanic or Latino0.1%12.2%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.1%0.5%
Asian alone, not Hispanic or Latino6.2%10.0%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.0%0.2%
Some other race alone, not Hispanic or Latino1.1%0.8%0.6%
Two or more races, not Hispanic or Latino5.0%3.5%4.3%
Hispanic or Latino (of any race)7.7%22.5%19.3%

Where ZIP 08553 is

State
New Jersey
Main county
Somerset County
Largest overlapping place
Rocky Hill (100% of the ZIP's land area)
Land area
0.61 sq mi· about 1,343 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Somerset County

07059 Somerset County, NJ07069 Watchung, NJ07920 Basking Ridge, NJ07921 Lamington, NJ07924 Bernardsville, NJ07931 Far Hills, NJ07934 Peapack and Gladstone, NJ07977 Peapack and Gladstone, NJ08502 Somerset County, NJ08528 Kingston, NJ08558 Somerset County, NJ08805 Bound Brook, NJ08807 Martinsville, NJ08812 Dunellen, NJ08821 Flagtown, NJ08823 Pleasant Plains, NJ08835 Manville, NJ08836 Martinsville, NJ08844 Somerset County, NJ08853 Neshanic Station, NJ08869 Raritan, NJ08873 Six Mile Run, NJ08876 Somerset County, NJ08880 South Bound Brook, NJ

See every ZIP code in New Jersey, or compare ZIP 08553 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.