| Place Name | Monroe Township (Middlesex County) |
| Place Type | Township |
| County | Middlesex County |
| Area Code(s) | 732,848,609,640 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 47,549 |
| Majority Ethnicity | White 71.57% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 12th |
| State Assembly Districts | 14 |
| State Senate Districts | 14 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 71.57% |
| African American | 2.77% |
| Hispanic | 0.11% |
| Asian | 19.5% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.04% |