| Place Name | Holyoke |
| Place Type | City |
| ZIP Code(s) | 01040 |
| County | Hampden County |
| Area Code(s) | 413 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 39,996 |
| Population Growth Rate (2010-19) | -4.12% |
| Majority Ethnicity | White 55.42% |
| Metro/Micro Stats Area | Springfield, MA |
| US Congressional District(s) | Massachusetts 1st |
| State House Districts | 5th Hampden |
| State Senate Districts | Second Hampden and Hampshire |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 55.42% |
| African American | 3.06% |
| Hispanic | 0.23% |
| Asian | 0.74% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 40.54% |