ZIP Code 08553
standardSource:
Rocky Hill · Somerset County · New Jersey
- Population
- 682
- Median income
- $148,056
- Median home value
- $597,200
- Bachelor's or higher
- 71.1%
- Land area
- 1.6 sq mi
431/sq mi
▲ 94% vs US
higher than 96% of US ZIPs
▲ 115% vs US
higher than 91% of US ZIPs
Median age 44.5
New York
ZIP code 08553 in Rocky Hill, New Jersey has a population of 682. The median household income is $148,056, which is 94% above the national average. Median home value is $597,200, 115% above the US average. 71.1% of residents hold a bachelor's degree or higher.
ZIP code 08553 is classified by USPS as a standard delivery area and covers roughly 1.6 square miles in Rocky Hill, Somerset County, New Jersey. The area is home to 682 residents, producing a population density of 431 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 08553 against New Jersey and the nation.
On the economic side, the median household income for ZIP 08553 sits at $148,056 (21% above the New Jersey average), while per-capita income is $80,279. The poverty rate stands at 3.9% and the unemployment rate at 5.3%. On housing, the median home value is $597,200 (16% above the state average) with median rent at $1,799 per month, and 76.4% of occupied units are owner-occupied, a direct signal of whether 08553 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 71.1% of adults hold a bachelor's degree or higher, the median age is 44.5, and the average commute is 23 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Somerset County, so you can benchmark 08553 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 08553
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 08553.
- Professional, scientific, and technical services
Professional, scientific, and technical services
6 establishments
- Construction
Construction
3 establishments
- Health care and social assistance
Health care and social assistance
3 establishments
- Accommodation and food services
Accommodation and food services
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 08553, Rocky Hill, NJ · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
682
Population
1.6
Area (sq mi)
431
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 08553?
44.5
Median Age
52.9%
Male
47.1%
Female
11.4%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$148,056
Median Household Income
+21% vs state
$80,279
Per Capita Income
3.9%
Poverty Rate
5.3%
Unemployment Rate
22.6 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
320
Total Housing Units
318
Occupied Units
2
Vacant Units
2.53
Avg Household Size
Occupancy Type
$597,200
Median Home Value
+16% vs state
$1,799
Median Rent
1960
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 28 business establishments in ZIP 08553, employing approximately 233 people with a combined annual payroll of $8,745,000.
28
Businesses
233
Employees
$8.7M
Annual Payroll
4
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 6 | 21.4% |
| Construction | 3 | 10.7% |
| Health care and social assistance | 3 | 10.7% |
| Accommodation and food services | 3 | 10.7% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 08553 vs 08528 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 08528 | Kingston, NJ | 315 | 1.5 mi |
| 08540 | Princeton, NJ | 47,115 | 2.7 mi |
| 08502 | Belle Mead, NJ | 11,317 | 3.4 mi |
| 08542 | Princeton, NJ | 5,189 | 3.4 mi |
| 08558 | Skillman, NJ | 6,629 | 3.5 mi |
| 08852 | Monmouth Junction, NJ | 17,220 | 4.9 mi |
| 08824 | Kendall Park, NJ | 12,115 | 4.9 mi |
| 08823 | Franklin Park, NJ | 9,016 | 4.9 mi |
| 08536 | Plainsboro, NJ | 20,073 | 5.5 mi |
| 08844 | Hillsborough, NJ | 38,367 | 7.0 mi |
More ZIP Codes in Somerset County
Related Areas
Frequently Asked Questions
What county is ZIP code 08553 in? ▼
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What is the median household income in ZIP 08553? ▼
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What is the demographic makeup of ZIP 08553? ▼
How many businesses are in ZIP code 08553? ▼
What are the main industries in ZIP code 08553? ▼
What is the education level in ZIP code 08553? ▼
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What percentage of residents own vs. rent in ZIP 08553? ▼
What is the poverty rate in ZIP code 08553? ▼
ZIP Code Research Guides
Official Data Resources for Rocky Hill, NJ
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.