| Place Name | Fairfield Township (Clay County) |
| Place Type | Township |
| ZIP Code(s) | 68934 68935 68938 |
| County | Clay County |
| Area Code(s) | 402,531 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 479 |
| Majority Ethnicity | White 98.92% |
| US Congressional District(s) | Nebraska 3rd |
| State Legislature Districts | 38 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.92% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.08% |