Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 39.5 yrs |
|---|---|
| Avg HH Size | 2.60 |
| Below Poverty | 10.2% ≈ Avg |
| College Grads | 53.8% ▲ 39% above avg |
| Unemployment | 6.2% ▲ 26% above avg |
| No HS Diploma | 5,110 (2.1%) |
| HS Graduate | 63,143 (26.2%) |
| Some College | 18,898 (7.8%) |
| Associates | 24,158 (10%) |
| Bachelors | 16,462 (6.8%) |
| Graduate Degree | 113,558 (47.1%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $109,654 ▲ 44% above avg |
|---|---|
| Median Home Value | $381,373 ▲ 37% above avg |
| Home/Income Ratio | 3.5x (nat avg ~3.5x) |
| Median Rent | $1,674/mo |
| Total Housing Units | 154,515 |
| Vacant Units | 9,214 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Mercer County is located in New Jersey and encompasses 39 ZIP codes spanning 9 cities and communities. The county has an estimated population of 393,958 residents. With a median age of 39.54, it is a middle-aged county.
Mercer County has a upper-middle-income economic profile. The median household income of $109,653 is above the national average. Unemployment stands at 6.2%, above the national average. The poverty rate of 10.2% is near the national average.
Housing in Mercer County is a mid-range housing market, with a median home value of $381,373 — above the national average. Monthly median rent is approximately $1,673. Homeownership rates are high at 62.0%, reflecting a largely residential, stable population.
The residents of Mercer County are racially diverse, with White as the largest group at 44.4%. Educational attainment is well-educated — 53.8% of adults hold a bachelor's degree or higher, above the national average.
Mercer County, NJ is a upper-middle-income area in New Jersey. The 39 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.
| ZIP | City | Population | Median Income | Median Home | Median Rent | Unemp. | College |
|---|---|---|---|---|---|---|---|
| 08520 | Hightstown | 29,321 | $116,282 | $361,800 | $1,556 | 4.0% | 55.2% |
| 08525 | Hopewell | 4,567 | $157,868 | $551,300 | $1,646 | 1.7% | 67.3% |
| 08648 | Lawrence Township | 31,142 | $118,036 | $395,400 | $1,953 | 6.0% | 64.6% |
| 08534 | Pennington | 13,174 | $180,491 | $573,100 | $2,106 | 2.7% | 77.8% |
| 08540 | Princeton | 49,499 | $169,898 | $723,400 | $2,083 | 4.0% | 86.2% |
| 08542 | Princeton | 2,415 | $104,694 | $754,800 | $2,398 | 3.0% | 67.7% |
| 08550 | Princeton Junction | 20,876 | $206,658 | $758,900 | $2,694 | 3.1% | 86.6% |
| 08560 | Titusville | 3,334 | $126,726 | $399,700 | $2,163 | 8.2% | 54.1% |
| 08609 | Trenton | 13,000 | $56,932 | $96,700 | $1,218 | 7.4% | 17.9% |
| 08610 | Trenton | 33,387 | $87,159 | $248,900 | $1,491 | 5.3% | 34.0% |
| 08611 | Trenton | 32,786 | $50,806 | $142,400 | $1,300 | 9.1% | 26.3% |
| 08618 | Trenton | 37,162 | $48,179 | $211,800 | $1,117 | 13.0% | 30.4% |
| 08619 | Trenton | 23,512 | $104,922 | $320,800 | $1,712 | 4.6% | 56.3% |
| 08620 | Trenton | 11,949 | $108,732 | $341,000 | $1,490 | 10.0% | 45.2% |
| 08628 | Trenton | 9,479 | $101,075 | $358,100 | $1,661 | 4.6% | 65.6% |
| 08629 | Trenton | 13,015 | $81,367 | $149,000 | $1,263 | 7.4% | 21.2% |
| 08638 | Trenton | 23,373 | $65,650 | $226,700 | $1,499 | 5.4% | 39.9% |
| 08690 | Trenton | 18,996 | $122,665 | $362,700 | $1,561 | 5.0% | 55.7% |
| 08691 | Trenton | 16,924 | $129,900 | $523,500 | $1,845 | 5.1% | 71.0% |