0.2% had heard of e-cigarettes, with awareness highest among current smokers. Utilization was higher among current smokers than in the total population, with 2.0% of former smokers and 0.8% of never-smokers ever using e-cigarettes. In both surveys, non-Hispanic Whites, current smokers, young adults, and those with at least a high-school diploma were most likely to perceive e-cigarettes as less harmful than regular cigarettes.