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 2026 population of 7,383. Fairfax is currently declining at a rate of -0.46% annually and its population has decreased by -2.75% since the most recent census, which recorded a population of 7,592 in 2020.

The median household income in Fairfax is $141,653 with a poverty rate of 12.06%. The median age in Fairfax is 48.7 years: 48.4 years for males, and 49 years for females. For every 100 females there are 100.6 males.

7.4K
Total Population
3,314
Density (mi²)
-34 -0.46%
Growth

Fairfax Population

Fairfax Population

Year ↓
Population
Growth
Annual Change
20267,383-34-0.46%
20257,417-42-0.56%
20247,459180.24%
20237,441-50-0.67%
20227,491-81-1.07%
20217,572-31-0.41%
20207,592-31-0.41%
20197,623-31-0.41%
20187,654-2-0.03%
20177,656-33-0.43%
20167,68920.03%
20157,687130.17%
20147,674480.63%
20137,626730.97%
20127,553380.51%
20117,515630.85%
20107,452110.15%
20007,3193885.6%
19906,931-460-6.22%
19807,391-270-3.52%
19707,6611,84831.79%
19605,8131,73542.55%
19504,0781,88085.53%
19402,19800%

Median Age

Overall: 48.7 years
Female: 49 years
Male: 48.4 years

Fairfax Adults

There are 6,235 adults, (1,735 of whom are seniors) in Fairfax.

Sex Ratio

Female: 3,747 (49.9%)
Male: 3,769 (50.1%)

Demographics

The racial composition of Fairfax includes 82.33% White, 3.23% Asian, and smaller percentages for other race, Black or African American, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White6,18882.33%
Two or more races6688.89%
Asian2433.23%
Other race1712.28%
Black or African American1502%
Native Hawaiian or Pacific Islander901.2%
Native American60.08%
Race
Population ↓
Percentage (of total)
Two or more races2423.22%
White1491.98%
Other race1191.58%
Race
Population ↓
Percentage (of total)
White6,03980.35%
Two or more races4265.67%
Asian2433.23%
Black or African American1502%
Native Hawaiian or Pacific Islander901.2%
Other race520.69%
Native American60.08%

Fairfax Marital Status

Economics and Income Statistics

Fairfax's average per capita income is $88,415. Household income levels show a median of $141,653. The poverty rate stands at 12.06%.

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$214,821-
Families$179,951$242,097
Households$141,653$189,361
Non Families$67,247$120,795

$88,415

Average Income

$141,653

Median Household Income

12.06%

Poverty Rate

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)