Skillman, NJ · standard
ZIP Code 08558
Somerset County, New Jersey - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 6,629
- 154/sq mi High-density area
- $236,016
- Median income Above-median income area
- $910,200
- Median home value Above-median home value
- 79.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Skillman pairs a top-decile household income with top-decile home values, in a rural, homeowner-dominated area.
- Top 1%
- household income, US ZIPs
- Top 3%
- home value, US ZIPs
- 154
- people per sq mi
- 86%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 08558 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 08558 (Skillman, NJ) rose +3.7% from 2023 to 2024. The all-transactions index moved from 204.3 in 2023 to 211.9 in 2024 (2000 = 100).
ZIP code 08558 is a mid-sized community (a standard USPS delivery area) in Skillman, Somerset County, New Jersey, home to 6,629 residents across 43.2 square miles, a density of 154 people per square mile, in the New York time zone.
ZIP 08558 skews affluent, with a median household income of $236,016 (93% above the average New Jersey ZIP), while per-capita income is $112,991. Both reported hardship measures are comparatively low in absolute terms: poverty is 1.3% and unemployment is 2.5%. Housing is both higher-cost and owner-heavy: median home value is $910,200 (76% above the average New Jersey ZIP), while 86.2% of occupied homes are owner-occupied and median rent is $2,000.
This is a highly-educated ZIP: 79.3% of adults hold a bachelor's degree or higher, the median age is 47.5, and the average commute is 40 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Somerset County, so 08558 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 08558
Top 5 sectors by establishment count in Skillman, NJ
Which industries have the most business establishments in ZIP 08558.
- Professional, scientific, and technical services
Professional, scientific, and technical services
63 establishments
- Health care and social assistance
Health care and social assistance
29 establishments
- Administrative and support and waste management and remediation services 24
Administrative and support and waste management and remediation services
24 establishments
- Other services (except public administration) 21
Other services (except public administration)
21 establishments
- Retail trade 19
Retail trade
19 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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 08558, Skillman, NJ · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
6,629
Population
43.2
Area (sq mi)
154
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 08558?
47.5
Median Age
48.5%
Male
51.5%
Female
25.4%
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?
$236,016
Median Household Income
+93% vs state ZIP avg
$112,991
Per Capita Income
1.3%
Poverty Rate
2.5%
Unemployment Rate
40.3 min
Mean Commute Time
How ZIP 08558 ranks among New Jersey ZIPs
Skillman, NJ household income vs. every New Jersey ZIP code
Median household income among 565 reporting New Jersey ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$236,016 Top 4% higher than 96% of 565 New Jersey ZIPs
Each bar is a $20K-wide band; taller bars hold more New Jersey ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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?
Housing stock: occupied vs vacant
2,789housing units
2,789
Total Housing Units
2,767
Occupied Units
22
Vacant Units
2.73
Avg Household Size
Occupancy Type
$910,200
Median Home Value
+76% vs state ZIP avg
$2,000
Median Rent
1995
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+3.7%
YoY Change (2024)
212
HPI Index (2000 = 100)
+112%
Total Change Since 2000
Home values in ZIP 08558 have increased 3.7% over the past year (2024). Since 2000, this ZIP has seen +112% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +1.7% | 150 |
| 2021 | +7.2% | 160 |
| 2022 | +12.6% | 181 |
| 2023 | +13.1% | 204 |
| 2024 | +3.7% | 212 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 258 business establishments in ZIP 08558, employing approximately 2,965 people with a combined annual payroll of $262,582,000.
258
Businesses
2,965
Employees
$262.6M
Annual Payroll
14
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 63 | 24.4% |
| Health care and social assistance | 29 | 11.2% |
| Administrative and support and waste management and remediation services | 24 | 9.3% |
| Other services (except public administration) | 21 | 8.1% |
| Retail trade | 19 | 7.4% |
| Construction | 18 | 7.0% |
| Wholesale trade | 16 | 6.2% |
| Accommodation and food services | 15 | 5.8% |
| Real estate and rental and leasing | 11 | 4.3% |
| Educational services | 11 | 4.3% |
| Arts, entertainment, and recreation | 9 | 3.5% |
| Finance and insurance | 7 | 2.7% |
| Information | 6 | 2.3% |
| Manufacturing | 5 | 1.9% |
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 08558 vs 08553 →
ZIP 08558 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 08540
Princeton (08540)
47,115 residents
- 08844
Hillsborough (08844)
38,367 residents
- 08648
Lawrence Township (08648)
32,263 residents
- 08502 11,317
Belle Mead (08502)
11,317 residents
- 08558 6,629
Skillman (08558)
6,629 residents
- 08853 5,247
Neshanic Station (08853)
5,247 residents
- 08542 5,189
Princeton (08542)
5,189 residents
- 08525 4,767
Hopewell (08525)
4,767 residents
- 08553 682
Rocky Hill (08553)
682 residents
What this shows Among its immediate neighbors, ZIP 08558 ranks #5 by population - useful context the national average alone can't give.
ZIP 08558 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 08558
Skillman (08558)
$236,016 median income
- 08502
Belle Mead (08502)
$227,242 median income
- 08853
Neshanic Station (08853)
$220,725 median income
- 08540
Princeton (08540)
$176,983 median income
- 08525
Hopewell (08525)
$165,324 median income
- 08821
Flagtown (08821)
$155,833 median income
- 08844
Hillsborough (08844)
$153,556 median income
- 08553
Rocky Hill (08553)
$148,056 median income
- 08648
Lawrence Township (08648)
$125,514 median income
What this shows By household income, ZIP 08558 ranks the highest of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 08553 | Rocky Hill, NJ | 682 | 3.5 mi |
| 08502 | Belle Mead, NJ | 11,317 | 3.5 mi |
| 08525 | Hopewell, NJ | 4,767 | 4.3 mi |
| 08540 | Princeton, NJ | 47,115 | 4.3 mi |
| 08542 | Princeton, NJ | 5,189 | 4.8 mi |
| 08528 | Kingston, NJ | 315 | 4.9 mi |
| 08844 | Hillsborough, NJ | 38,367 | 6.1 mi |
| 08821 | Flagtown, NJ | 354 | 7.4 mi |
| 08648 | Lawrence Township, NJ | 32,263 | 8.9 mi |
| 08853 | Neshanic Station, NJ | 5,247 | 8.2 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 08558, both outside NJ so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (6,629 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Somerset County
Related Areas
Frequently Asked Questions
What county is ZIP code 08558 in?
ZIP code 08558 (Skillman) is located in Somerset County, New Jersey. Somerset County contains multiple ZIP codes, see the full list at /counties/somerset-nj.
What is the population of ZIP code 08558?
ZIP code 08558 in Skillman, NJ has a population of 6,629 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 08558?
The median household income in ZIP 08558 is $236,016, which is 209% above the national average of $76,288.
What is the average home value in ZIP 08558?
The median home value in ZIP 08558 is $910,200, which is 227% above the national average of $278,155.
What is the demographic makeup of ZIP 08558?
The largest racial group in ZIP 08558 is White at 59.4%. Hispanic or Latino residents make up 5.8% of the population.
How many businesses are in ZIP code 08558?
ZIP code 08558 has 258 business establishments employing approximately 2,965 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 08558?
The top industries by establishment count in ZIP 08558 are: Professional, scientific, and technical services (63), Health care and social assistance (29), Administrative and support and waste management and remediation services (24). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 08558?
According to the FHFA House Price Index, home values in ZIP 08558 increased by 3.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 112%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 08558?
In ZIP code 08558, 87.0% of residents aged 25+ have a high school diploma or higher, and 79.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 08558?
The mean commute time for workers in ZIP code 08558 is 40.3 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 08558?
In ZIP code 08558, approximately 86.2% of occupied housing units are owner-occupied and 13.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 08558?
The poverty rate in ZIP code 08558 is 1.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 08558's numbers, next.
- See how ZIP 08558 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Skillman, NJ ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.