| Place Name | Mamaroneck (town) |
| Place Type | Town |
| County | Westchester County |
| Area Code(s) | 914 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 31,381 |
| Majority Ethnicity | White 75.6% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New York 16th |
| State Assembly Districts | 91 |
| State Senate Districts | 37 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 75.6% |
| African American | 2.83% |
| Hispanic | 0.13% |
| Asian | 4.52% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 16.92% |