Fairfax Flag

Fairfax

County:
Marin County
County Seat:
No
Area (mi²):
2.228
State:
California

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. For every 100 females there are 102.2 males.

7.4K
Total Population
3,342
Density (mi²)
-30 -0.4%
Growth

Fairfax Population

Fairfax Population

Data after 2023 is projected based on recent change

Demographics

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.

Population by Race

White (82.72%)

Two or more races (7.42%)

Other race (3.81%)

Asian (2.99%)

Native Hawaiian or Pacific Islander (1.87%)

Black or African American (1.1%)

Native American (0.08%)

Race
Population
Percentage (of total)
White6,22382.72%
Two or more races5587.42%
Other race2873.81%
Asian2252.99%
Native Hawaiian or Pacific Islander1411.87%
Black or African American831.1%
Native American60.08%

Fairfax Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$207,596-
Families$173,038$227,614
Households$131,875$178,623
Non Families$65,898$105,957

$70,000

Average Income

$131,875

Median Household Income

11.46%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)