Mercer County, PA

County

22,060 species observed across 8 groups · Pop. 110.5K

Ecoregions

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Species observed

Birds· 556 species

Mammals· 124 species

Plants· 5,230 species

Reptiles & Amphibians· 134 species

Fish· 226 species

Insects· 10,170 species

Other Invertebrates· 1,236 species

Fungi & Lichens· 4,384 species

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Part of

StatePennsylvaniaPop. 13.0M

Cities in Mercer County

Hermitage, PAPop. 16.2KSharon, PAPop. 13.1K