Trenton, NJ · standard
ZIP Code 08620
Mercer County, New Jersey - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 14,693
- 633/sq mi High-density area
- $105,368
- Median income Above-median income area
- $373,800
- Median home value Above-median home value
- 31.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Trenton pairs an upper-quartile household income with upper-quartile home values, in a low-density, homeowner-dominated area.
- Top 16%
- household income, US ZIPs
- Top 23%
- home value, US ZIPs
- 633
- people per sq mi
- 81%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 08620 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 08620 (Trenton, NJ) rose +11.7% from 2023 to 2024. The all-transactions index moved from 246.5 in 2023 to 275.3 in 2024 (2000 = 100).
ZIP code 08620 is a mid-sized community (a standard USPS delivery area) in Trenton, Mercer County, New Jersey, home to 14,693 residents across 23.2 square miles, a density of 633 people per square mile, in the New York time zone.
ZIP 08620 lands in the middle-income range, with a median household income of $105,368 (14% below the average New Jersey ZIP), while per-capita income is $46,700. The poverty rate is 9.3%, with unemployment at 9.7%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $373,800 (28% below the average New Jersey ZIP), and median rent is $1,640; owner occupancy is 80.6%.
A solid share of residents have a four-year degree: 31.3% of adults hold a bachelor's degree or higher, the median age is 42.7, and the average commute is 30 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Mercer County, so 08620 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 08620
Top 5 sectors by establishment count in Trenton, NJ
Which industries have the most business establishments in ZIP 08620.
- Construction
Construction
35 establishments
- Other services (except public administration)
Other services (except public administration)
26 establishments
- Retail trade
Retail trade
24 establishments
- Accommodation and food services
Accommodation and food services
15 establishments
- Professional, scientific, and technical services 13
Professional, scientific, and technical services
13 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 08620, Trenton, 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
14,693
Population
23.2
Area (sq mi)
633
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 08620?
42.7
Median Age
53.6%
Male
46.4%
Female
8.8%
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?
$105,368
Median Household Income
-14% vs state ZIP avg
$46,700
Per Capita Income
9.3%
Poverty Rate
9.7%
Unemployment Rate
29.6 min
Mean Commute Time
How ZIP 08620 ranks among New Jersey ZIPs
Trenton, 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)
$105,368 41st percentile higher than 41% 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
4,312housing units
4,312
Total Housing Units
4,187
Occupied Units
125
Vacant Units
2.59
Avg Household Size
Occupancy Type
$373,800
Median Home Value
-28% vs state ZIP avg
$1,640
Median Rent
1966
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
+11.7%
YoY Change (2024)
275
HPI Index (2000 = 100)
+175%
Total Change Since 2000
Home values in ZIP 08620 have increased 11.7% over the past year (2024). Since 2000, this ZIP has seen +175% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.8% | 172 |
| 2021 | +10.8% | 190 |
| 2022 | +12.9% | 215 |
| 2023 | +14.7% | 246 |
| 2024 | +11.7% | 275 |
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 172 business establishments in ZIP 08620, employing approximately 1,756 people with a combined annual payroll of $84,335,000.
172
Businesses
1,756
Employees
$84.3M
Annual Payroll
11
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 35 | 20.4% |
| Other services (except public administration) | 26 | 15.1% |
| Retail trade | 24 | 13.9% |
| Accommodation and food services | 15 | 8.7% |
| Professional, scientific, and technical services | 13 | 7.6% |
| Transportation and warehousing | 12 | 7.0% |
| Health care and social assistance | 12 | 7.0% |
| Wholesale trade | 11 | 6.4% |
| Administrative and support and waste management and remediation services | 11 | 6.4% |
| Real estate and rental and leasing | 6 | 3.5% |
| Manufacturing | 3 | 1.7% |
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 08620 vs 08515 →
ZIP 08620 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 08610
Trenton (08610)
30,468 residents
- 08611
Trenton (08611)
28,038 residents
- 08619
Trenton (08619)
22,723 residents
- 08550
Princeton Junction (08550)
19,445 residents
- 08690
Trenton (08690)
18,567 residents
- 08691
Trenton (08691)
15,104 residents
- 08620
Trenton (08620)
14,693 residents
- 08629
Trenton (08629)
12,331 residents
- 08501 6,582
Allentown (08501)
6,582 residents
What this shows Among its immediate neighbors, ZIP 08620 ranks #7 by population - useful context the national average alone can't give.
ZIP 08620 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 08550
Princeton Junction (08550)
$224,213 median income
- 08515
Chesterfield (08515)
$208,836 median income
- 08501
Allentown (08501)
$146,182 median income
- 08691
Trenton (08691)
$132,520 median income
- 08690
Trenton (08690)
$127,339 median income
- 08619
Trenton (08619)
$105,946 median income
- 08620
Trenton (08620)
$105,368 median income
- 08610 $83,906
Trenton (08610)
$83,906 median income
- 08629 $82,646
Trenton (08629)
$82,646 median income
What this shows By household income, ZIP 08620 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 08515 | Chesterfield, NJ | 4,637 | 3.5 mi |
| 08690 | Trenton, NJ | 18,567 | 4.1 mi |
| 08610 | Trenton, NJ | 30,468 | 4.0 mi |
| 08691 | Trenton, NJ | 15,104 | 4.1 mi |
| 08501 | Allentown, NJ | 6,582 | 5.0 mi |
| 08619 | Trenton, NJ | 22,723 | 5.7 mi |
| 08611 | Trenton, NJ | 28,038 | 5.4 mi |
| 08629 | Trenton, NJ | 12,331 | 5.7 mi |
| 08550 | Princeton Junction, NJ | 19,445 | 8.1 mi |
| 08561 | Windsor, NJ | 226 | 6.7 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 08620, 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 (14,693 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Mercer County
Related Areas
Frequently Asked Questions
What county is ZIP code 08620 in?
ZIP code 08620 (Trenton) is located in Mercer County, New Jersey. Mercer County contains multiple ZIP codes, see the full list at /counties/mercer-nj.
What is the population of ZIP code 08620?
ZIP code 08620 in Trenton, NJ has a population of 14,693 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 08620?
The median household income in ZIP 08620 is $105,368, which is 38% above the national average of $76,288.
What is the average home value in ZIP 08620?
The median home value in ZIP 08620 is $373,800, which is 34% above the national average of $278,155.
What is the demographic makeup of ZIP 08620?
The largest racial group in ZIP 08620 is White at 75.4%. Hispanic or Latino residents make up 12.1% of the population.
How many businesses are in ZIP code 08620?
ZIP code 08620 has 172 business establishments employing approximately 1,756 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 08620?
The top industries by establishment count in ZIP 08620 are: Construction (35), Other services (except public administration) (26), Retail trade (24). There are 11 industry sectors represented in total.
How have home values changed in ZIP code 08620?
According to the FHFA House Price Index, home values in ZIP 08620 increased by 11.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 175%. 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 08620?
In ZIP code 08620, 58.3% of residents aged 25+ have a high school diploma or higher, and 31.3% 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 08620?
The mean commute time for workers in ZIP code 08620 is 29.6 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 08620?
In ZIP code 08620, approximately 80.6% of occupied housing units are owner-occupied and 19.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 08620?
The poverty rate in ZIP code 08620 is 9.3% 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 08620's numbers, next.
- See how ZIP 08620 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Trenton, NJ ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.