This report contains data on state library agencies in the 50 states and the District of Columbia for state fiscal year 1998. The data were collected through the State Library Agencies (STLA) Survey, the product of a cooperative effort between the Chief Offices of State Library Agencies, the United States National Commission on Libraries and Information Science, and the National Center for Education Statistics. The survey asks each STLA about the kinds of services it provides, its staffing practices, collections, income and expenditure data, and more. Report highlights discuss results in terms of: governance; allied and other special operations; electronic services and information; library development services; service outlets; collections; staff; income; and expenditures. The body of the report consists of 53 tables that present the survey statistics. Appendices include the survey methodology, state library agencies that were applicants to the Universal Service (E-Rate discount) program, recipients of other federal income, (by state and by type of income received), and the survey facsimile. (AEF)