 There were 4,864 housing units at an average density of 2,316.2 per square mile.The racial makeup of Sunbury in 2000 was 95.26% White, 1.29% African American, 0.14% Native American, 0.26% Asian, 0.02% Pacific Islander, 1.91% from other races, and 1.11% from two or more races.Hispanic or Latino of any race were 3.09% of the population.