Delaware County, PA

County

28,216 species observed across 8 groups · Pop. 576.4K

Ecoregions

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Species observed

Birds· 746 species

Mammals· 206 species

Plants· 6,998 species

Reptiles & Amphibians· 238 species

Fish· 469 species

Insects· 12,667 species

Other Invertebrates· 1,866 species

Fungi & Lichens· 5,026 species

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Part of

StatePennsylvaniaPop. 13.0M

Cities in Delaware County

Chester, PAPop. 32.6KDarby, PAPop. 10.7KLansdowne, PAPop. 11.1KYeadon, PAPop. 12.0K