Orange County, CA
County24,635 species observed across 8 groups · Pop. 3.2M
Ecoregions
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Species observed
Birds· 839 species
Mammals· 230 species
Plants· 7,569 species
Reptiles & Amphibians· 281 species
Fish· 486 species
Insects· 9,679 species
Other Invertebrates· 2,454 species
Fungi & Lichens· 3,097 species
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Part of
StateCaliforniaPop. 39.5MCities in Orange County
Aliso Viejo, CAPop. 52.1KAnaheim, CAPop. 346.7KBrea, CAPop. 47.2KBuena Park, CAPop. 83.9KCosta Mesa, CAPop. 111.8KCypress, CAPop. 50.0KDana Point, CAPop. 33.1KFountain Valley, CAPop. 57.0KFullerton, CAPop. 143.3KGarden Grove, CAPop. 171.9KHuntington Beach, CAPop. 198.4KIrvine, CAPop. 308.4KLaguna Beach, CAPop. 23.0KLaguna Hills, CAPop. 31.3KLaguna Niguel, CAPop. 64.5KLaguna Woods, CAPop. 17.6KLa Habra, CAPop. 63.0KLake Forest, CAPop. 85.9KLa Palma, CAPop. 15.6KLos Alamitos, CAPop. 11.8KMission Viejo, CAPop. 93.5KNewport Beach, CAPop. 85.2KOrange, CAPop. 139.5KPlacentia, CAPop. 52.7KRancho Santa Margarita, CAPop. 47.9KSan Clemente, CAPop. 64.2KSan Juan Capistrano, CAPop. 35.2KSanta Ana, CAPop. 311.2KSeal Beach, CAPop. 25.2KStanton, CAPop. 38.1KTustin, CAPop. 79.9KWestminster, CAPop. 90.9KYorba Linda, CAPop. 68.2K