Total, Children's, and Young Adult Public Library Program Attendance per 1000 Population, By Population of Legal Service Area (2011)

At public libraries with a service area population of 1000 or less, nearly every resident, on average, attends a program.

At public libraries with a service area population of 1,000,000 or more, the average is 1 in 5 residents.

The U.S. average is 3 of 10.

Source:  Institute of Museum and Library Services "Public Libraries in the United States Survey, Fiscal Year 2011".  

Other public library statistics posts:
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U.S. public library program attendance per 1000 population (top and bottom 10 states).  (4/12/2014) 
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