what county is delavan illinois in
Delavan, Illinois. Homefacts City Report. Delavan is located in Tazewell County, IL. The population is 1,568, making Delavan the 8th largest city in Tazewell County. There are 3 public schools in Delavan with an average Homefacts rating of B. The total crime rate for Delavan is very low, and there are 4 registered sex offenders residing in the city.
Delavan Township, Tazewell County, Illinois. Delavan Township is located in Tazewell County, Illinois. As of the 2010 census, its population was 2,061 and it contained 902 housing units. Contents.