This report presents a statistical profile of 57,837 persons representing a national sample from the field of computer science. Data were obtained from the 1978 Survey of Natural and Social Scientists and Engineers sponsored by National Science Foundation and conducted by the Bureau of the Census. Categories considered include: (1) composition; (2) education and training; (3) professional experience and growth of the field; (4) labor force participation; and (5) income. Among the findings reported are those indicating that: about 85 percent of the computer specialists represented in the national sample were male; the median age was 38 years; the overwhelming majority were white (97 percent); computer specialists were more likely to hold a bachelor's than a master's or doctorate degree in 1978; the median number of years of professional experience for the sample was 14 years; in February 1978, 96 percent of the computer specialists were in the labor force; of those not in the labor force, 22 percent were retired; and the median basic salary in February 1978 of the computer specialists employed full-time was $25,867. Supporting documentation (including questionnaire used and information on response rates) is included in appendices. (JN)