West Mifflin – Terra Firma
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Name: West Mifflin
Type: Borough
Year established: 1956 (as a borough from Mifflin Township)
Population (2020): 19,589
Area: 14.4 sq mi (total)
Population density: ~1,360 per sq mi
School District: West Mifflin Area School District
ZIP Code(s): 15122, 15236
Official website: westmifflin.gov
Region: Southeast (along Monongahela River, Allegheny County)
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