OSM tag name=Elk River matches Elk River in these Wikidata fields:
OSM tag name=Elk River matches Elk River, Kaliforniya in these Wikidata fields:
OSM tag name=Elk River matches Elk River, California in these Wikidata fields:
OSM tag name=Elk River matches Elk River, CA in these Wikidata fields:
| Unincorporated communities in California | landuse=residential, place |
| Unincorporated communities in Humboldt County, California | landuse=residential, place |