This three-part report provides tables and graphs describing the South County Community College District in California in terms of district population demographics, registration patterns and student characteristics for fall 1989, and longitudinal trend data on student characteristics. Section 1 provides U.S. Census data for the district population by service area, providing information on total number of persons, total number of households, gender and age distribution, average family income, ethnicity, educational level, and school enrollment. Section 2 describes fall 1989 registration patterns and student characteristics, providing both district-wide data, and comparative data for Chabot College and Las Positas College, California. Included in this section are data on sex, ethnicity, district residence, new/continuing/returning status, student level, full-time/part-time registrations, day/evening registrations, age distribution, enrollments from selected high schools, sources of first-time freshman and first-time transfers, self-declared majors, and city of residence. The final section of the report analyzes trends over time, presenting selected district-wide statistics from 1961 through 1989. Included in this section are data on official active registrations, Chabot and Las Positas registrations, gender and ethnic distributions of registrants, foreign student enrollments, district residence, student level, full-time/part-time registrations, day/evening registrations, and age and grade distribution. A glossary of terms is included. (JMC)