When it comes to racial makeup, Littleton is comprised primarily of white people. Approximately 60% of residents are white, and only 20% identify as black. The remaining percentages identify as American Indian, Asian, Native Hawaiian, Pacific Islander, or some other race. The remaining population is Hispanic, with a percentage of 2.6% who identify as "other." Census data is gathered from self-identified racial groups. Littleton is the second most ethnically diverse city in Colorado.