| Place Name | Leyden |
| Place Type | Town |
| ZIP Code(s) | 01301 01337 01340 |
| County | Franklin County |
| Area Code(s) | 413 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 651 |
| Majority Ethnicity | White 98.3% |
| Metro/Micro Stats Area | Springfield, MA |
| US Congressional District(s) | Massachusetts 1st |
| State House Districts | 2nd Berkshire |
| State Senate Districts | Hampshire, Franklin and Worcester |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.3% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.7% |