| Place Name | Fairfield Township (Lenawee County) |
| Place Type | Township |
| ZIP Code(s) | 49221 49248 49256 49279 |
| County | Lenawee County |
| Area Code(s) | 517 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2021) | 1,730 |
| Majority Ethnicity | White 91.96% |
| Metro/Micro Stats Area | Adrian, MI |
| US Congressional District(s) | Michigan 7th |
| State House Districts | 57 |
| State Senate Districts | 17 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.96% |
| African American | 1.5% |
| Hispanic | 0.29% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.25% |