Mad River is a census-designated place in Trinity County, California. Mad River is located in the southern part of the county. Mad River sits at an elevation of. The ZIP Code is 95552. The 2010 United States census reported Mad River's population was 420. Mad River has the last services on California State Route 36 until the Wildwood Store, west of Platina. That is away. Its post office serves itself and the communities of Dinsmore, 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. 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.
History
The stream was named in December 1849 by the Gregg Party. Myth has it that the leader of the party, in apparent anger with fellow companions over latitude positioning, coined the term when comparing the experience of the difficult exchange between his peers. At the 2000 census, Mad River constituted a census county division. The population was 838 at the 2000 census. Most of the former CCD is covered by the Six Rivers National Forest and the Shasta-Trinity National Forest. Mad River itself is near the western extent of Ruth Lake, the major water reservoir for the populated area around Humboldt Bay within Humboldt County located to the northwest.
Communities within the former CCD
Most of the communities that encompass the former Mad River CCD are off main highways and at least from a major city. The area code for most of the region is 707, because phone service comes from larger communities in Humboldt County, such as Bridgeville or Garberville.
Mad River
Ruth is a census-designated place south of State Highway 36. It is home to Ruth Lake, a long narrow lake primarily used to control flow of water in the Mad River to supply the Humboldt Bay area with drinking water and water for industrial activities. The lake is also used for recreation, irrigation, and hydroelectric power. It has two stores and gas stations and a church.
Forest Glen is a community along State Highway 36, southwest of Hayfork. It has a U.S. Forest Service Fire station, and a store that is now closed. Mail and telephone service is from Hayfork. Its former ZIP code is 96030.
The 2010 United States Census reported that Mad River had a population of 420. The population density was 12.1 people per square mile. The racial makeup of Mad River was 383 White, 1 African American, 11 Native American, 1 Asian, 0 Pacific Islander, 7 from other races, and 17 from two or more races. Hispanic or Latino of any race were 21 persons. The Census reported that 420 people lived in households, 0 lived in non-institutionalized group quarters, and 0 were institutionalized. There were 198 households, out of which 40 had children under the age of 18 living in them, 82 were opposite-sex married couplesliving together, 20 had a female householder with no husband present, 7 had a male householder with no wife present. There were 15 unmarried opposite-sex partnerships, and 2 same-sex married couples or partnerships. 71 households were made up of individuals and 16 had someone living alone who was 65 years of age or older. The average household size was 2.12. There were 109 families ; the average family size was 2.72. The population was spread out with 76 people under the age of 18, 17 people aged 18 to 24, 85 people aged 25 to 44, 175 people aged 45 to 64, and 67 people who were 65 years of age or older. The median age was 50.0 years. For every 100 females, there were 117.6 males. For every 100 females age 18 and over, there were 124.8 males. There were 347 housing units at an average density of 10.0 per square mile, of which 127 were owner-occupied, and 71 were occupied by renters. The homeowner vacancy rate was 1.6%; the rental vacancy rate was 10.0%. 269 people lived in owner-occupied housing units and 151 people lived in rental housing units.
Politics
In the state legislature, Mad River is in, and. Federally, Mad River is in.
