| Place Name | Monmouth Junction |
| Place Type | Census Designated Place |
| ZIP Code(s) | 08852 |
| County | Middlesex County |
| Area Code(s) | 732,848 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 2,903 |
| Population Growth Rate (2010-19) | 208.11% |
| Majority Ethnicity | Asian 53.06% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 12th |
| State Assembly Districts | 16 |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 29.63% |
| African American | 8.61% |
| Hispanic | 0% |
| Asian | 53.06% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.7% |