size was 3.14 and the average family size was 2.67. The village's age distribution consisted of 27.9% under the age of 18, 5.9% from 18 to 24, 14.1% from 25 to 44, 30.7% from 45 to 64, and 21.5% who were 65 years of age or older. The median age was 47.2 years. For every 100 females, there were 91.9 males. For every 100 females age 18 and over, there were 84.1 males. The median income for a household in the village was $195,600, and the median income for a family was $250,001. Males had a median income of $136,111 versus $66,384 for females. The per capita income for the village was $121,589, placing Glencoe among the 20 wealthiest communities in the United States. About 0.7% of families and 1.6% of the population were below the poverty line, including 0.2% of those under age 18 and 2.4% of those age 65 or over. History Opinions differ about the origins of the village's name. Some attribute it to an early resident, Matthew Coe. Others say it is named for the area of Scotland of the same name. It developed in the late 19th century around a railroad stop. Former Chicago mayor Walter S. Gurnee had become president of the line connecting Chicago and Milwaukee, and often bought up and developed land around railroad stops. Thus, one historian believes the name derives from the maiden name of Gurnee's wife, since Gurnee bought the land in 1867 and began subdivision, although financial problems prevented him from building a home there and he returned to New York for his final years. The village's first seal was based on the seal of Glencoe, Scotland. During the late 19th and early 20th centuries, many elegant homes were built in Glencoe. Most notably, the village is home to the world’s third largest collection of Frank Lloyd Wright structures: the Ravine Bluff subdivision contains seven houses, a concrete bridge and three sculptural markers. There are also two larger, individually built homes, located nearby Ravine Bluffs. In addition to Wright, there are houses designed by Howard Van Doren Shaw, David Adler, Robert E. Seyfarth and George Washington Maher, among others. Glencoe has a Village Manager form of government. It had one of the first public safety departments (combined police/fire/paramedic). In 1921 it adopted the first zoning code in Illinois. Its land-use plan, adopted in 1940, has been adhered to