As of the census of 2010, there were 5,500 people, 900 households, and 750 families residing in the village and the surrounding upscale subdivisions and agricultural areas. There are 4 main subdivisions of Tremont: Lake Windemere, Royal Colony, Hickory Hills and Lake Knolls. The population density was 2,128.8 people per square mile (824.6/km). There were 835 housing units at an average density of 876.1 per square mile (339.4/km). The racial makeup of the village was 98.50% White, 0.50% African American, 0.34% Native American, 0.10% Asian, 0.10% from other races, and 0.10% from two or more races. Hispanic or Latino of any race were 0.44% of the population.