Mad River Flag

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.

297
Total Population
8
Density (mi²)
-9 -2.94%
Growth

Mad River Population

Mad River Population

Data after 2023 is projected based on recent change

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)
White49490.81%
Two or more races488.82%
Native American20.37%

Mad River Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)