Abstract : In order to provide state, local, and regional policy-makers and planners as well as businessmen with an analytic tool, an input--output economic analysis was made of the South Central region of Texas for the year 1967. The results of the study are presented in this report entitled, "An input-output model of the South Central region of Texas." This report provides an overview of the study region, including the geographic setting, demographic characteristics and economic factors of income, employment and earnings. Methodology and procedures of analyses used in the study are discussed. Suggestions as to how the findings of the study may be used as they relate to the total regional economy are presented along with some of the results of this study. The input-output tables for this region are included in this report.