Alta

County:: Placer County
County Seat:: No
Area (mi²):: 2.384
State:: California

Alta is a CDP located in Placer County, California. Alta has a 2025 population of 662. Alta is currently growing at a rate of 0.46% annually but its population has decreased by -5.83% since the most recent census, which recorded a population of 703 in 2020.

The average household income in Alta is $180,723 with a poverty rate of 5.81%.The median age in Alta is 46.8 years: 41 years for males, and 49.9 years for females.

Demographics

The racial composition of Alta includes 87.03% White, 7.3% other race, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	644	87.03%
Other race	54	7.3%
Two or more races	40	5.41%
Black or African American	2	0.27%

Alta Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Alta's average per capita income is $62,589. Household income levels show a median of $94,718. The poverty rate stands at 5.81%.

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	$112,727	-
Families	$102,500	$231,061
Households	$94,718	$180,723
Non Families	$41,488	$57,143

$62,589

Average Income

$94,718

Median Household Income

5.81%

Poverty Rate