Sierra County's estimated 2026 population is 2,979 with a growth rate of -2.2% in the past year according to the most recent United States census data. Sierra County is the 57th largest county in California. The 2010 population was 3,220 and has seen a growth of -7.48% since that time.
Data after 2023 is projected based on recent change
The racial composition of Sierra County includes 90.41% White, 4.69% other race, and smaller percentages for Native American, Black or African American and multiracial populations.
White (90.41%)
Other race (4.69%)
Two or more races (3.26%)
Native American (1.35%)
Black or African American (0.29%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,469 | 90.41% |
| Other race | 128 | 4.69% |
| Two or more races | 89 | 3.26% |
| Native American | 37 | 1.35% |
| Black or African American | 8 | 0.29% |
Married
Widowed
Divorced
Separated
Never Married
Sierra County's average per capita income is $50,536. Household income levels show a median of $60,000. The poverty rate stands at 12.34%.
Name | Median | Mean |
|---|---|---|
| Married Families | $90,694 | - |
| Families | $73,529 | $109,650 |
| Households | $60,000 | $89,329 |
| Non Families | $28,750 | $56,371 |
Average Income
Median Household Income
Poverty Rate