Lexington is a city in McLean County, Illinois, United States. The population was 2,060 at the 2010 census. There are two theories regarding the etymology of the city name. One says it was named for the Battle of Lexington, where General Gridley’s father fought. and the other that it was named for the home town of James Brown, the town’s co-founder.
Lexington is located at 40°38′33″N 88°47′7″W / 40.64250°N 88.78528°W / 40.64250; -88.78528 (40.642520, -88.785410).
According to the 2010 census, Lexington has a total area of 1.33 square miles (3.44 km), all land.
As of the census of 2000, there were 1,912 people, 760 households, and 550 families residing in the city. The population density was 1,820.3 people per square mile (703.1/km). There were 803 housing units at an average density of 764.5 per square mile (295.3/km). The racial makeup of the city was 98.95% White, 0.10% African American, 0.21% Native American, and 0.73% from two or more races. Hispanic or Latino of any race were 0.42% of the population.
There were 760 households out of which 35.7% had children under the age of 18 living with them, 58.4% were married couples living together, 11.1% had a female householder with no husband present, and 27.6% were non-families. 24.6% of all households were made up of individuals and 10.3% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.00.
In the city, the population was spread out with 26.9% under the age of 18, 7.5% from 18 to 24, 29.0% from 25 to 44, 24.3% from 45 to 64, and 12.3% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 96.3 males. For every 100 females age 18 and over, there were 92.0 males.
The median income for a household in the city was $46,146, and the median income for a family was $54,336. Males had a median income of $40,031 versus $24,917 for females. The per capita income for the city was $20,898. About 3.1% of families and 4.4% of the population were below the poverty line, including 6.6% of those under age 18 and 5.1% of those age 65 or over.
Lexington was laid out on 4 January 1836 By Asahel Gridley and James Brown.