Liberty – Terra Firma
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Name: Liberty
Type: Borough
Year established: 1912
Population (2020): 2,355
Area: 1.5 sq mi (total), 1.4 sq mi (land)
Population density: 1,609.3 per sq mi
School District: South Allegheny School District
ZIP Code(s): 15133
Official website: libertyborough.com
Region: Southeast (Monongahela Valley, Allegheny County)
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