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. For every 100 females there are 109.0 males.
Data after 2023 is projected based on recent change
The racial composition of Alta includes 87.03% White, 7.3% other race, and smaller percentages for Black or African American and multiracial populations.
White (87.03%)
Other race (7.3%)
Two or more races (5.41%)
Black or African American (0.27%)
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $112,727 | - |
| Families | $102,500 | $231,061 |
| Households | $94,718 | $180,723 |
| Non Families | $41,488 | $57,143 |
Average Income
Median Household Income
Poverty Rate