| Place Name | Millstone |
| Place Type | Borough |
| ZIP Code(s) | 08844 08873 |
| County | Somerset County |
| Area Code(s) | 908 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 413 |
| Population Growth Rate (2010-19) | 7.18% |
| Majority Ethnicity | White 67.36% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 7th |
| State Assembly Districts | 16 |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 67.36% |
| African American | 2.26% |
| Hispanic | 0% |
| Asian | 1.74% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 28.65% |