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326:. 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.
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The population was spread out, with 76 people (18.1%) under the age of 18, 17 people (4.0%) aged 18 to 24, 85 people (20.2%) aged 25 to 44, 175 people (41.7%) aged 45 to 64, and 67 people (16.0%) who were 65 years of age or older. The median age was 50.0 years. For every 100 females, there were 117.6
631:
There were 347 housing units at an average density of 10.0 units per square mile (3.9 units/km), of which 127 (64.1%) were owner-occupied, and 71 (35.9%) were occupied by renters. The homeowner vacancy rate was 1.6%; the rental vacancy rate was 10.0%. 269 people (64.0% of the population) lived
370:
Most of the communities that encompass the former Mad River CCD are off main highways and at least 100 miles (160 km) 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.
334:
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.
315:. Mad River is located in the southern part of the county. Mad River sits at an elevation of 2,484 feet (757 m). The ZIP Code is 95552. Its population is 361 as of the 2020 census, down from 420 from the 2010 census.
399:
is a community along State
Highway 36, 23 miles (37 km) 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
393:
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.
620:. 71 households (35.9%) were made up of individuals, and 16 (8.1%) had someone living alone who was 65 years of age or older. The average household size was 2.12. There were 109
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783:
605:
The Census reported that 420 people (100% of the population) lived in households, 0 (0%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.
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570:
reported that Mad River had a population of 420. The population density was 12.1 inhabitants per square mile (4.7/km). The racial makeup of Mad River was 383 (91.2%)
910:
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living together, 20 (10.1%) had a female householder with no husband present, 7 (3.5%) had a male householder with no wife present. There were 15 (7.6%)
702:
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1200:
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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
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18 miles (29 km) south of State
Highway 36. It is home to Ruth Lake, a long narrow lake primarily used to control flow of water in the
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There were 198 households, out of which 40 (20.2%) had children under the age of 18 living in them, 82 (41.4%) were
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342:(CCD). The population was 838 at the 2000 census. Most of the former CCD is covered by the
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in owner-occupied housing units and 151 people (36.0%) lived in rental housing units.
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was 0.4 people/km (1.0 people/sq mi). The racial makeup of the CCD was 86.8%
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U.S. Geological Survey
Geographic Names Information System: Mad River, California
706:
289:
U.S. Geological Survey
Geographic Names Information System: Mad River, California
865:
866:"California's 2nd Congressional District - Representatives & District Map"
542:, the CDP covers an area of 34.65 square miles (89.7 km), all of it land.
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1156:‡This populated place also has portions in an adjacent county or counties
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498:
of 2000, there were 838 people and 433 families residing in the CCD. The
486:, the CCD has a total area of 155.6 square miles (403 km) all land.
312:
142:
129:
628:
males. For every 100 females age 18 and over, there were 124.8 males.
550:
This area experiences hot summers and mild winters. According to the
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736:
Place Names of
Humboldt County, California: A Compendium 1542-1992
821:
796:"2010 Census Interactive Population Search: CA - Mad River CDP"
613:
495:
624:(55.1% of all households); the average family size was 2.72.
245:
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354:, the major water reservoir for the populated area around
759:
738:. Eureka, CA: Eureka Printing Company, Inc. p. 139.
1196:
Census-designated places in
Trinity County, California
407:
365:
18:
Census-designated place in
California, United States
350:. Mad River itself is near the western extent of
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904:
338:At the 2000 census, Mad River constituted a
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911:
897:
784:Climate Summary for Mad River, California
594:, and 17 (4.0%) from two or more races.
530:of any race were 2.1% of the population.
673:California's 2nd congressional district
618:same-sex married couples or partnerships
177:34.653 sq mi (89.750 km)
169:34.653 sq mi (89.750 km)
1201:Census-designated places in California
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733:
718:
716:
714:
185:0 sq mi (0 km) 0%
892:
558:, abbreviated "Csb" on climate maps.
798:. U.S. Census Bureau. Archived from
602:of any race were 21 persons (5.0%).
711:
614:unmarried opposite-sex partnerships
522:, and 4.3% from two or more races.
318:Mad River has the last services on
13:
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919:Municipalities and communities of
752:
408:Creeks, lakes, rivers, and streams
14:
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884:
561:
556:warm-summer Mediterranean climate
366:Communities within the former CCD
52:
461:North Fork/Middle Fork Eel River
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403:. Its former ZIP code is 96030.
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348:Shasta-Trinity National Forest
1:
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552:Köppen Climate Classification
419:Horse Ranch Lake (small pond)
610:opposite-sex married couples
477:
7:
764:United States Census Bureau
671:Federally, Mad River is in
635:
540:United States Census Bureau
484:United States Census Bureau
10:
1217:
922:Trinity County, California
734:Turner, Dennis W. (1993).
658:the 2nd Assembly District
545:
362:located to the northwest.
344:Six Rivers National Forest
329:
193:2,484 ft (757 m)
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568:2010 United States Census
320:California State Route 36
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1114:Round Valley Reservation
646:the 2nd Senate District
554:system, Mad River has a
473:South Fork Trinity River
413:Watts Lake (small pond)
383:census-designated place
305:census-designated place
33:census-designated place
1041:
340:census county division
214:10/sq mi (4.0/km)
93:40.45000°N 123.50139°W
65:Position in California
1039:
846:. State of California
824:. State of California
760:"U.S. Census website"
431:Henthorne Lake (pond)
422:Mud Lake (small pond)
237: • Summer (
1174:United States portal
868:. Civic Impulse, LLC
464:North Fork Mud River
211: • Density
98:40.45000; -123.50139
89: /
1042:
1040:Trinity County map
844:"Members Assembly"
705:2012-01-25 at the
644:, Mad River is in
500:population density
434:Turtle Lake (pond)
428:Minnie Lake (pond)
425:Antone Lake (pond)
203: • Total
182: • Water
166: • Total
1183:
1182:
1167:California portal
675:, represented by
660:, represented by
648:, represented by
642:state legislature
538:According to the
482:According to the
452:Littlefield Creek
446:Alder Basin Creek
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174: • Land
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588:Pacific Islander
576:African American
508:African American
437:Lily Lake (pond)
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74:Coordinates:
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996:
972:Douglas City
967:Coffee Creek
941:
870:. Retrieved
860:
848:. Retrieved
838:
826:. Retrieved
816:
804:. Retrieved
800:the original
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767:. Retrieved
754:
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729:
695:
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654:Mike McGuire
639:
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578:, 11 (2.6%)
565:
562:Demographics
549:
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518:, 8.9% from
493:
490:Demographics
481:
458:Minnie Creek
391:Humboldt Bay
369:
356:Humboldt Bay
337:
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15:
1143:Minersville
1125:Ghost towns
1106:reservation
1079:Hawkins Bar
1074:Forest Glen
1051:communities
1027:Weaverville
962:Burnt Ranch
944:Weaverville
937:County seat
769:January 31,
700:U.S. Census
592:other races
586:, 0 (0.0%)
582:, 1 (0.2%)
574:, 1 (0.2%)
520:other races
470:Olsen Creek
455:Barry Creek
443:Anada Creek
397:Forest Glen
96: /
84:123°30′05″W
1190:Categories
822:"Senators"
687:References
494:As of the
449:Lamb Creek
313:California
299:(formerly
280:feature ID
198:Population
143:California
81:40°27′00″N
1152:Footnotes
997:Mad River
828:March 10,
534:Geography
478:Geography
416:Ruth Lake
387:Mad River
375:Mad River
352:Ruth Lake
307:(CDP) in
297:Mad River
266:Area code
220:Time zone
190:Elevation
59:Mad River
25:Mad River
1133:Deadwood
1064:Del Loma
992:Lewiston
872:March 1,
850:March 2,
806:July 12,
703:Archived
677:Democrat
666:Jim Wood
662:Democrat
650:Democrat
636:Politics
622:families
596:Hispanic
524:Hispanic
346:and the
254:ZIP Code
1138:Dedrick
1059:Big Bar
982:Hyampom
977:Hayfork
640:In the
546:Climate
401:Hayfork
358:within
330:History
324:Platina
303:) is a
283:2583071
155:Trinity
110:Country
1104:Indian
1089:Peanut
1084:Helena
1012:Salyer
742:
656:, and
600:Latino
528:Latino
496:census
150:County
140:
120:
1094:Zenia
1069:Denny
679:
664:
652:
584:Asian
572:White
516:Asian
514:, 0%
510:, 0%
506:, 0%
504:White
381:is a
301:Kuntz
259:95552
248:(PDT)
246:UTC-7
225:UTC-8
130:State
1007:Ruth
954:CDPs
874:2013
852:2013
830:2013
808:2014
771:2008
740:ISBN
566:The
379:Ruth
278:GNIS
161:Area
598:or
526:or
271:707
239:DST
206:361
1192::
940::
925:,
762:.
713:^
683:.
668:.
311:,
1116:‡
912:e
905:t
898:v
876:.
854:.
832:.
810:.
773:.
748:.
241:)
231:)
227:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.