| Place Name | Harwinton |
| Place Type | Town |
| ZIP Code(s) | 06791 |
| County | Litchfield County |
| Area Code(s) | 860,959 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 5,499 |
| Majority Ethnicity | White 97.53% |
| Metro/Micro Stats Area | Torrington, CT |
| US Congressional District(s) | Connecticut 5th |
| State House Districts | 76 |
| State Senate Districts | 8,31 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.53% |
| African American | 1.08% |
| Hispanic | 0% |
| Asian | 0.2% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.19% |