The 50 largest libraries in Pennsylvania

The 50 largest libraries in Pennsylvania by revenue range from $47 million down to $306,000.

The largest are Carnegie Library Of Pittsburgh, Allegheny County Library Association, and Montgomery County Norristown Public Library.

Largest libraries in Pennsylvania

Ranked by revenue.

Carnegie Library Of Pittsburgh

Allegheny County Library Association

Montgomery County Norristown Public Library

Pennsylvania Academic Library Consortium Inc

Dauphin County Library System

Theodore F Jenkins Memorial Law Library Company

Hosting Solutions And Library Consulting

IInterlibrary Delivery Service Of Pennsylvania

Industrial Archives & Library

Science History Institute Support Company

Community Library Association

The Athenaeum Of Philadelphia

SSewickley Public Library Inc

New Castle Public Library

South Asian American Digital Archive Nfp

Oil Region Library Association

PPennsylvania Integrated Library System Consortium

Butler County Federated Library System

Tree House Books

Penn Hills Library

The Memorial Library Of Nazareth And Vicinity

Elizabethtown Public Library

Montgomery County Library And Information Network Consortium

Lower Macungie Library Inc

Snyder County Libraries Inc

Public Library For Union County

Union County Library System

Southampton Free Library

BBlair County Library System Inc

Hoyt Library

Exeter Library Association

Lebanon County Library System

Community Library Of The Shenango Valley

Green Free Library

Millvale Community Library

MMurrysville Community Library

Spring Township Library Association

Jefferson Hills Library

Somerset County Federated Library System Inc

SSykesville Public Library

The Fulton County Library Inc

Adamstown Area Library

Scott Township Public Library

Plum Borough Community Library

Swarthmore Public Library Assoc

Narberth Community Library Inc

Bedford County Library Inc

Darby Library Company

Mifflin Community Library

Hamburg Public Library