| Place Name | Fairfield Township (Shiawassee County) |
| Place Type | Township |
| ZIP Code(s) | 48831 48841 48866 |
| County | Shiawassee County |
| Area Code(s) | 989 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 640 |
| Majority Ethnicity | White 94.49% |
| Metro/Micro Stats Area | Lansing-East Lansing, MI |
| US Congressional District(s) | Michigan 4th |
| State House Districts | 85 |
| State Senate Districts | 24 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.49% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0.63% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.88% |