Lassen County's estimated 2026 population is 27,641 with a growth rate of -1.69% in the past year according to the most recent United States census data. Lassen County is the 48th largest county in California. The 2010 population was 34,828 and has seen a growth of -20.64% since that time.
Data after 2023 is projected based on recent change
Overall: 38.3 years
Female: 42.8 years
Male: 36.9 years
There are 24,745 adults, (5,012 of whom are seniors) in Lassen County.
Female: 11,594 (38.2%)
Male: 18,762 (61.8%)
The racial composition of Lassen County includes 67.2% White, 6.2% Black or African American, 3.92% other race, 3.44% Native American, and smaller percentages for Asian, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 20,400 | 67.2% |
| Two or more races | 4,898 | 16.14% |
| Black or African American | 1,883 | 6.2% |
| Other race | 1,189 | 3.92% |
| Native American | 1,045 | 3.44% |
| Asian | 652 | 2.15% |
| Native Hawaiian or Pacific Islander | 289 | 0.95% |
Lassen County's average per capita income is $48,117. Household income levels show a median of $67,403. The poverty rate stands at 13.96%.
Name | Median | Mean |
|---|---|---|
| Married Families | $93,272 | - |
| Families | $81,765 | $94,412 |
| Households | $67,403 | $81,033 |
| Non Families | $38,639 | $54,472 |
Average Income
Median Household Income
Poverty Rate