Placer County Flag

Placer County

State:
California
County Seat:
Auburn

Placer County's estimated 2025 population is 434,535 with a growth rate of 1.28% in the past year according to the most recent United States census data. Placer County is the 21st largest county in California. The 2010 population was 350,007 and has seen a growth of 24.15% since that time.

434,535
Total Population
309
Population Density (mi²)
21
Population Rank (State)
5.5K 1.28%
Annual Population Growth

Placer County Population

Placer County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Placer County includes 72.5% White, 9% Asian, 3.97% other race, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White299,00572.5%
Two or more races50,34512.21%
Asian37,1249%
Other race16,3623.97%
Black or African American6,8161.65%
Native American2,0330.49%
Native Hawaiian or Pacific Islander7500.18%

Placer County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Placer County's average per capita income is $71,742. Household income levels show a median of $114,678. The poverty rate stands at 6.71%.

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$153,118$186,533
Families$137,395$170,294
Households$114,678$147,894
Non Families$59,403$86,430

$71,742

Average Income

$114,678

Median Household Income

6.71%

Poverty Rate