Mad River

County:: Trinity County
County Seat:: No
Area (mi²):: 35.186
State:: California

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.

Demographics

The racial composition of Mad River includes 90.81% White, and smaller percentages for Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	494	90.81%
Two or more races	48	8.82%
Native American	2	0.37%

Mad River Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$96,050	-
Families	$95,200	$100,132
Households	-	$51,951
Non Families	-	$20,864

$39,583

Average Income

$0

Median Household Income

18.75%

Poverty Rate