Sierra County's estimated 2026 population is 3,075 with a growth rate of -0.74% 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 -4.5% since that time.
Data after 2023 is projected based on recent change
Overall: 54.7 years
Female: 47.5 years
Male: 58.4 years
There are 2,349 adults, (963 of whom are seniors) in Sierra County.
Female: 1,467 (53.4%)
Male: 1,279 (46.6%)
The racial composition of Sierra County includes 86.42% White, 7.28% other race, and smaller percentages for Black or African American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,373 | 86.42% |
| Other race | 200 | 7.28% |
| Two or more races | 165 | 6.01% |
| Black or African American | 8 | 0.29% |
Sierra County's average per capita income is $54,851. Household income levels show a median of $63,355. The poverty rate stands at 4.44%.
Name | Median | Mean |
|---|---|---|
| Married Families | $95,750 | - |
| Families | $95,339 | $113,861 |
| Households | $63,355 | $81,457 |
| Non Families | $42,849 | $44,319 |
Average Income
Median Household Income
Poverty Rate