Mad River is a CDP located in Trinity County, California. Mad River has a 2025 population of 297 . Mad River is currently declining at a rate of -2.94% annually and its population has decreased by -12.9% since the most recent census, which recorded a population of 341 in 2020.
The average household income in Mad River is $51,951 with a poverty rate of 18.75%. The median age in Mad River is 40.8 years: 41.7 years for males, and 40.1 years for females. For every 100 females there are 100.0 males.
Data after 2023 is projected based on recent change
The racial composition of Mad River includes 90.81% White, and smaller percentages for Native American and multiracial populations.
White (90.81%)
Two or more races (8.82%)
Native American (0.37%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 494 | 90.81% |
| Two or more races | 48 | 8.82% |
| Native American | 2 | 0.37% |
Married
Widowed
Divorced
Separated
Never Married
Mad River's average per capita income is $39,583. Household income levels show a median of $0. The poverty rate stands at 18.75%.
Name | Median | Mean |
|---|---|---|
| Married Families | $96,050 | - |
| Families | $95,200 | $100,132 |
| Households | - | $51,951 |
| Non Families | - | $20,864 |
Average Income
Median Household Income
Poverty Rate