Hamilton Square, NJ ZIP Codes
2 ZIP codes serve Hamilton Square, New Jersey: 08690 and 08691. Together they are home to 35,448 residents in 14,590 households. That is more than the 11,622 people counted inside Hamilton Square Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $127,339 in 08690 to $132,520 in 08691.
Hamilton Square Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 11,622 |
| Households | 4,265 |
| Median household income | $138,162 |
| Median home value | $397,000 |
| Median age | 44.9 |
| Median rent | $2,139 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 35,448 |
| Households (sum of ZIP codes) | 14,590 |
| Median household income, range across ZIP codes | $127,339 (08690) to $132,520 (08691) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $129,775 |
| Homeowners | 78.7% |
| Households with kids under 18 | 29.4% |
| Moved in the past year | 7.0% |
| Carrier routes in EDDM2GO's route library | 28 routes, 14,957 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Hamilton Square: 08691 ($132,520)
- Most residents: 08690 (18,841 people)
- Highest homeownership: 08690 (82.1% own their home)
- Most households with kids: 08691 (36.0% of households)
- Most new movers: 08691 (8.1% moved in last year)
- Youngest median age: 08691 (44.6 years)
- Highest median home value: 08691 ($552,000)
Every ZIP code in Hamilton Square
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 08690 | Trenton | 18,841 | 7,731 | $127,339 | $383,900 | 82.1% | 23.5% | 6.0% | 15 | 8,570 | 54% of its land |
| 08691 | Robbinsville | 16,607 | 6,859 | $132,520 | $552,000 | 74.8% | 36.0% | 8.1% | 13 | 7,463 | 2% of its land |
A ZIP code is listed for Hamilton Square when at least 10% of its land lies inside the Hamilton Square Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Hamilton Square. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Hamilton Square.
Counties
- Mercer County — 23 ZIP codes
Nearby cities sharing these ZIP codes
- Trenton — 11 ZIP codes
- Mercerville — 2 ZIP codes
- White Horse — 2 ZIP codes
- Yardville — 2 ZIP codes
Price a mailing to Hamilton Square ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Hamilton Square, NJ?
- 08690 and 08691. A ZIP code is listed for Hamilton Square when at least 10% of its land lies inside the Hamilton Square Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Hamilton Square.
- What is the population of Hamilton Square, NJ?
- The Census Bureau counts 11,622 residents inside Hamilton Square Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Hamilton Square hold 35,448 residents in all.
- What is the median household income in Hamilton Square, NJ?
- $138,162 inside Hamilton Square Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $127,339 to $132,520.
- Which Hamilton Square ZIP code has the highest median household income?
- 08691, at $132,520, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Hamilton Square, NJ?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 28 carrier routes reaching 14,957 residential and 1,040 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.