San Andreas

County:: Calaveras County
County Seat:: Yes
Area (mi²):: 10.006
State:: California

San Andreas is a CDP located in Calaveras County, California. San Andreas has a 2025 population of 2,974. It is also the county seat of Calaveras County. San Andreas is currently growing at a rate of 0.41% annually but its population has decreased by -20.25% since the most recent census, which recorded a population of 3,729 in 2020.

The average household income in San Andreas is $63,336 with a poverty rate of 35.01%. The median age in San Andreas is 56.1 years: 54.5 years for males, and 62 years for females.

Demographics

The racial composition of San Andreas includes 83.84% White, 5.55% other race, 3.68% Asian, and smaller percentages for Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Asian

Native American

Black or African American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	2,418	83.84%
Other race	160	5.55%
Two or more races	107	3.71%
Asian	106	3.68%
Native American	68	2.36%
Black or African American	25	0.87%
Native Hawaiian or Pacific Islander	0	0%

San Andreas Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

San Andreas' average per capita income is $37,406. Household income levels show a median of $42,231. The poverty rate stands at 35.01%.

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	$51,970	-
Families	$50,956	$72,628
Households	$42,231	$63,336
Non Families	$20,703	$32,869

$37,406

Average Income

$42,231

Median Household Income

35.01%

Poverty Rate