Congerville is a village in Woodford County, Illinois, United States. The population was 474 as of the 2010 census, up from 466 in 2000. Congerville is part of the Peoria, Illinois Metropolitan Statistical Area.
Congerville is located at 40°36′51″N 89°12′24″W / 40.614130°N 89.206576°W / 40.614130; -89.206576.
After a January 5, 1999 reading of −36 °F (−38 °C), Congerville held the record for the coldest temperature ever officially recorded in Illinois. It took this title from Mount Carroll—which had recorded −35 °F (−37 °C) in 1930—and lost it to the same town on January 31, 2019 when the temperature there dropped to −38 °F (−39 °C).
According to the 2010 census, Congerville has a total area of 1.124 square miles (2.91 km), of which 1.12 square miles (2.90 km) (or 99.64%) is land and 0.004 square miles (0.01 km) (or 0.36%) is water.
As of the census of 2000, there were 466 people, 163 households, and 131 families residing in the village. The population density was 615.3 people per square mile (236.7/km²). There were 167 housing units at an average density of 220.5 per square mile (84.8/km²). The racial makeup of the village was 98.93% White, 0.43% Native American, 0.21% Asian, and 0.43% from two or more races. None of the population is African American, Pacific Islander, Hispanic or Latino of any race, or from other races.
There were 163 households out of which 37.4% had children under the age of 18 living with them, 74.2% were married couples living together, 2.5% had a female householder with no husband present, and 19.6% were non-families. 17.2% of all households were made up of individuals and 4.9% had someone living alone who was 65 years of age or older. The average household size was 2.86 and the average family size was 3.27.
In the village, the population was spread out with 28.5% under the age of 18, 11.8% from 18 to 24, 30.3% from 25 to 44, 19.1% from 45 to 64, and 10.3% who were 65 years of age or older. The median age was 30 years. For every 100 females, there were 103.5 males. For every 100 females age 18 and over, there were 104.3 males.
The median income for a household in the village was $51,786, and the median income for a family was $60,313. Males had a median income of $45,673 versus $25,132 for females. The per capita income for the village was $20,795. None of the families and 0.7% of the population were living below the poverty line, including no under eighteens and 2.8% of those over 64.