This document provides an estimation of the ways in which Jefferson College (Missouri) impacts the economy of Jefferson County and the state as a whole. It offers quantitative information and acts as a reference for the Board of Trustees, administrators, faculty, and staff regarding the economic significance of the college to the area it serves. Part A of this report identifies the economic impact of the college in the local community and examines its spending patterns. The total spending impact of the college, using data from fiscal year 1996-97, was $20,521,915. Part B calculates the additional tax revenues to the county and state as a result of increased earning power of Jefferson graduates. The expected increments in county sales taxes from 1996-97 graduates over their working lives was $7,135,768, and $13,350,981 in state income taxes. Part C identifies the estimated annual cost to a typical county resident to support the college. Part D estimates the total employment impact in the county related to the college's operations. Finally, part E computes the magnitude of external dollars accessed and retained for the county as a result of the community's investment in the college. The data indicate that Jefferson College has a major impact on the economy of Jefferson County and on Missouri. (Contains 7 figures and 6 endnotes.) (VWC)