McArthur is a CDP located in Lassen County, California. McArthur has a 2025 population of 447 . McArthur is currently growing at a rate of 1.59% annually but its population has decreased by -14.2% since the most recent census, which recorded a population of 521 in 2020.
The average household income in McArthur is $37,856 with a poverty rate of 40.51%. The median age in McArthur is 41.9 years: 15.8 years for males, and 48.1 years for females. For every 100 females there are 87.5 males.
Data after 2023 is projected based on recent change
The racial composition of McArthur includes 28.21% White, 7.18% other race, 5.9% Native American, and smaller percentages for and multiracial populations.
Two or more races (58.72%)
White (28.21%)
Other race (7.18%)
Native American (5.9%)
Race | Population | Percentage (of total) |
|---|---|---|
| Two or more races | 229 | 58.72% |
| White | 110 | 28.21% |
| Other race | 28 | 7.18% |
| Native American | 23 | 5.9% |
Married
Widowed
Divorced
Separated
Never Married
McArthur's average per capita income is $0. Household income levels show a median of $0. The poverty rate stands at 40.51%.
Name | Median | Mean |
|---|---|---|
| Families | $58,516 | $52,735 |
| Households | - | $37,856 |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate