Fairfield township is located in Franklin County, Indiana. Fairfield township has a 2026 population of 535. Fairfield township is currently growing at a rate of 0.38% annually and its population has increased by 4.7% since the most recent census, which recorded a population of 511 in 2020.
The median age in Fairfield township is 41.7 years: 41.3 years for males, and 42.4 years for females. For every 100 females there are 140.1 males.
Data after 2023 is projected based on recent change
Overall: 41.7 years
Female: 42.4 years
Male: 41.3 years
There are 487 adults, (51 of whom are seniors) in Fairfield township.
Female: 227 (41.7%)
Male: 318 (58.3%)
The racial composition of Fairfield township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 545 | 100% |