Placer County's estimated 2026 population is 449,883 with a growth rate of 1.76% in the past year according to the most recent United States census data. Placer County is the 20th largest county in California. The 2010 population was 350,007 and has seen a growth of 28.54% since that time.
Data after 2023 is projected based on recent change
Overall: 42.5 years
Female: 43.7 years
Male: 41.1 years
There are 327,869 adults, (85,822 of whom are seniors) in Placer County.
Female: 212,935 (50.8%)
Male: 206,221 (49.2%)
The racial composition of Placer County includes 69.11% White, 9.21% Asian, 5% other race, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 289,678 | 69.11% |
| Two or more races | 60,191 | 14.36% |
| Asian | 38,592 | 9.21% |
| Other race | 20,942 | 5% |
| Black or African American | 6,924 | 1.65% |
| Native American | 2,075 | 0.5% |
| Native Hawaiian or Pacific Islander | 754 | 0.18% |
Placer County's average per capita income is $73,073. Household income levels show a median of $115,998. The poverty rate stands at 6.76%.
Name | Median | Mean |
|---|---|---|
| Married Families | $155,488 | $190,154 |
| Families | $138,699 | $173,103 |
| Households | $115,998 | $150,239 |
| Non Families | $59,918 | $87,328 |
Average Income
Median Household Income
Poverty Rate