Diablo Valley College had a total enrollment of 17,228 students in 2024. The full-time enrollment at Diablo Valley College is 6,303 students and the part-time enrollment is 10,925. This means that 36.6% of students enrolled at Diablo Valley College are enrolled full-time.

The enrolled student population at Diablo Valley College, both undergraduate and graduate, is 31.2% Hispanic or Latino, 28.3% White, 19.3% Asian, 8.8% Two or More Races, 6.7% Black or African American, 0.371% Native Hawaiian or Other Pacific Islanders, and 0.174% American Indian or Alaska Native.

Students enrolled at Diablo Valley College in full-time Undergraduate programs are most commonly White Male (14.8%), followed by Hispanic or Latino Female (14.7%) and Hispanic or Latino Male (14.4%).