a superior school system, an expansive recreational program, and many opportunities for volunteer work. In 2013, Madison ranked as number 9 on the CBS News list of most-attractive school districts in the United States. Private elementary schools in Madison include Our Lady of Mercy Preparatory Academy, The Country School, and Grove School. The E.C. Scranton Memorial Library was a 1901 gift to the townspeople from Mary Scranton. The original building was designed by architect Henry Bacon, who later designed the Lincoln Memorial. A 1906 postcard shows the library as it appeared at that time. After an expansion in 1989, the main building (in the postcard at right) became the children's section, and the expansion to the right of the main door became the main entrance. As of 2006, this popular library featured 114,000 volumes and had an average of 360 visits per day and 860 programs per year. Demographics As of the 2000 census, there were 17,858 people, 6,515 households, and 5,120 families residing in the town. The population density was . There were 7,386 housing units at an average density of . The racial makeup of the town was 96.62% White, 0.40% African American, 0.06% Native American, 1.71% Asian, 0.01% Pacific Islander, 0.25% from other races, and 0.94% from two or more races. Hispanic or Latino of any race were 1.34% of the population. There were 6,515 households, out of which 39.1% had children under the age of 18 living with them, 69.8% were married couples living together, 6.6% had a female householder with no husband present, and 21.4% were non-families. 18.5% of all households were made up of individuals, and 8.5% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.12. The town's population was distributed with 28.2% under the age of 18, 3.8% from 18 to 24, 25.3% from 25 to 44, 28.6% from 45 to 64, and 14.1% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 93.2 males. For every 100 females age 18 and over, there were 89.8 males. The median income for a household in the town was $87,437, and the median income for a family was $101,297. Males had a median income of $73,525 versus $41,058 for females. The per capita income for the town was