Fairfax is a town located in Marin County, California. Fairfax has a 2025 population of 7,446. Fairfax is currently declining at a rate of -0.4% annually and its population has decreased by -1.94% since the most recent census, which recorded a population of 7,593 in 2020.
The average household income in Fairfax is $178,623 with a poverty rate of 11.46%. The median age in Fairfax is 47.9 years: 47.6 years for males, and 48.7 years for females.
Data after 2023 is projected based on recent change
The racial composition of Fairfax includes 82.72% White, 3.81% other race, and smaller percentages for Asian, Native Hawaiian or Pacific Islander, Black or African American, Native American and multiracial populations.
White (82.7%)
Two or more races (7.4%)
Other race (3.8%)
Asian (3.0%)
Native Hawaiian or Pacific Islander (1.9%)
Black or African American (1.1%)
Native American (0.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 6,223 | 82.72% |
| Two or more races | 558 | 7.42% |
| Other race | 287 | 3.81% |
| Asian | 225 | 2.99% |
| Native Hawaiian or Pacific Islander | 141 | 1.87% |
| Black or African American | 83 | 1.1% |
| Native American | 6 | 0.08% |
Married
Widowed
Divorced
Separated
Never Married
Fairfax's average per capita income is $70,000. Household income levels show a median of $131,875. The poverty rate stands at 11.46%.
Name | Median | Mean |
|---|---|---|
| Married Families | $207,596 | - |
| Families | $173,038 | $227,614 |
| Households | $131,875 | $178,623 |
| Non Families | $65,898 | $105,957 |
Average Income
Median Household Income
Poverty Rate