The Performing Arts Spread Out: Geography of Performing Arts Organisations

National Endowment for the Arts,
01 January 1998, USA

The 1992 Census of Service Industries counted 12,286 performing arts organizations, up from 9,271 organizations counted in 1987. The 1992 count included 2,961 tax-exempt (nonprofit) organizations and 9,325 taxable organizations. Performing arts organizations were counted in each of the 50 states and the District of Columbia (DC).

http://www.arts.gov/pub/Notes/63.pdf