Mad River | |
|---|---|
  Mad River Position in California | |
| Coordinates: 40°27′00″N 123°30′05″W / 40.45000°N 123.50139°W | |
| Country |  United States |
| State |  California |
| County | Trinity |
| Area | |
| • Total | 34.653 sq mi (89.750 km2) |
| • Land | 34.653 sq mi (89.750 km2) |
| • Water | 0 sq mi (0 km2) 0% |
| Elevation | 2,484 ft (757 m) |
| Population (2020) | |
| • Total | 361 |
| • Density | 10/sq mi (4.0/km2) |
| Time zone | UTC-8 (Pacific (PST)) |
| • Summer (DST) | UTC-7 (PDT) |
| ZIP Code | 95552 |
| Area code | 707 |
| GNIS feature ID | 2583071 |
| U.S. Geological Survey Geographic Names Information System: Mad River, California | |
Mad River (formerly Kuntz) is a census-designated place (CDP) in Trinity County, California.[2] Mad River is located in the southern part of the county. Mad River sits at an elevation of 2,484 feet (757 m).[2] The ZIP Code is 95552. Its population is 361 as of the 2020 census, down from 420 from the 2010 census.
Mad River has the last services on California State Route 36 until the Platina Store, 44 miles (71 km) away. Until it closed, the next services were the Wildwood Store, 5 miles (8.0 km) west of Platina. Its post office serves itself and the communities of Dinsmore (Humboldt County), and Van Duzen; both using 95552 as their ZIP code. Ruth residents with Post Office Boxes at the Ruth Store share the 95526 zip code with Bridgeville. Starting in the Spring of 2014, Ruth residents with mail boxes on the Mad River Road are now part of the Mad River zip code and use the city designation of Mad River, CA 95552. Mad River is home to Southern Trinity High School, the region's only high school, with an enrollment of 45 students. It is also home to Van Duzen Elementary School.