This investigation was conducted to identify trends in evening enrollment patterns among the California community colleges outside the Los Angeles District, and to identify causes for those trends. Seventy-four college presidents (87% of those contacted) responded to the questionnaire. Enrollment statistics are presented by year from 1966 to 1971 for large (4,000+), small (0-999), and medium (1,000-3,999) size colleges. Some conclusions were: (1) of the 50 colleges reporting data for 1966-1971, only four had a smaller evening enrollment in 1971; (2) the enrollment at small colleges generally increased at a faster rate than large colleges; (3) the reasons for enrollment increase most often given were growth due to normal expansion and increased off-campus offerings; (4) about one-third of the colleges charge a "defined adult" fee, the majority charging $3.00 per unit; and (5) new types of recruitment procedures have been initiated by 25 colleges, the most effective was publishing special class offering schedules in the local press. (RN)