Fairfax is a village located in Hamilton County, Ohio. Fairfax has a 2025 population of 1,759 . Fairfax is currently declining at a rate of -0.11% annually and its population has decreased by -0.4% since the most recent census, which recorded a population of 1,766 in 2020.
The average household income in Fairfax is $98,237 with a poverty rate of 3.9%. The median age in Fairfax is 34.7 years: 33.6 years for males, and 37.2 years for females. For every 100 females there are 94.3 males.
Data after 2023 is projected based on recent change
The racial composition of Fairfax includes 93.62% White, and smaller percentages for Black or African American and multiracial populations.
White (93.62%)
Two or more races (3.9%)
Black or African American (2.48%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,512 | 93.62% |
| Two or more races | 63 | 3.9% |
| Black or African American | 40 | 2.48% |
Married
Widowed
Divorced
Separated
Never Married
Fairfax's average per capita income is $58,043. Household income levels show a median of $76,157. The poverty rate stands at 3.9%.
Name | Median | Mean |
|---|---|---|
| Married Families | $119,265 | - |
| Families | $98,661 | $118,840 |
| Households | $76,157 | $98,237 |
| Non Families | $47,500 | $63,829 |
Average Income
Median Household Income
Poverty Rate