Fairfax township is located in Gregory County, South Dakota. Fairfax township has a 2026 population of 66. Fairfax township is currently growing at a rate of 3.13% annually and its population has increased by 10% since the most recent census, which recorded a population of 60 in 2020.
The median household income in Fairfax township is $135,417 with a poverty rate of 0%. The median age in Fairfax township is 65.2 years: 61.9 years for males, and 65.4 years for females. For every 100 females there are 71.9 males.
Data after 2023 is projected based on recent change
Overall: 65.2 years
Female: 65.4 years
Male: 61.9 years
There are 88 adults, (51 of whom are seniors) in Fairfax township.
Female: 57 (58.2%)
Male: 41 (41.8%)
The racial composition of Fairfax township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 98 | 100% |
Fairfax township 's average per capita income is $44,583. Household income levels show a median of $135,417. The poverty rate stands at 0%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $137,813 | $126,431 |
| Married Families | $137,813 | - |
| Households | $135,417 | $116,425 |
| Non Families | $93,375 | $89,485 |
Average Income
Median Household Income
Poverty Rate