📍 View location on OpenStreetMap (40.329080, -74.430660)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 08831 |
| Primary City | Monroe Township |
| State / Province | NJ |
| County | Middlesex |
| Total Population | 55,658 |
| Population Density | 418.9 people/sq mi |
| Timezone | America/New_York |
| Metric | ZIP 08831 | Middlesex County records | NJ records |
|---|---|---|---|
| Population estimate | 55,658 | 881,625 (sum) | 9,343,809 (sum) |
| Population Density | 418.9 /sq mi | -- | -- |
| County population rank | #4 of 36 | -- | -- |
| State population rank | #20 of 595 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 08828 | Helmetta | 3.4 mi | 2,459 |
| ZIP 08810 | Dayton | 4.5 mi | 7,952 |
| ZIP 08884 | Spotswood | 5.0 mi | 8,187 |
| ZIP 08512 | Cranbury | 5.0 mi | 12,928 |
| ZIP 07726 | Englishtown | 5.6 mi | 44,764 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →