San Mateo County, CA
County19,969 species observed across 8 groups · Pop. 762.5K
Ecoregions
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Species observed
Birds· 856 species
Mammals· 230 species
Plants· 7,830 species
Reptiles & Amphibians· 195 species
Fish· 411 species
Insects· 8,161 species
Other Invertebrates· 2,236 species
Fungi & Lichens
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Part of
StateCaliforniaPop. 39.5MCities in San Mateo County
Belmont, CAPop. 28.3KBurlingame, CAPop. 31.3KDaly City, CAPop. 104.9KEast Palo Alto, CAPop. 29.9KFoster City, CAPop. 33.7KHalf Moon Bay, CAPop. 11.8KHillsborough, CAPop. 11.4KMenlo Park, CAPop. 33.7KMillbrae, CAPop. 23.1KPacifica, CAPop. 38.5KRedwood City, CAPop. 83.9KSan Bruno, CAPop. 43.7KSan Carlos, CAPop. 30.6KSan Mateo, CAPop. 105.7KSouth San Francisco, CAPop. 65.9K