La Fayette is a village in Stark County, Illinois, United States. The population was 223 at the 2010 census, down from 227 in 2000. It is part of the Peoria, Illinois Metropolitan Statistical Area.La Fayette is located at 416?35?N 8958?25?W? / ?41.10972N 89.97361W? / 41.10972; -89.97361.According to the 2010 census, La Fayette has a total area of 0.19 square miles, all land.As of the census of 2000, there were 227 people, 91 households, and 63 families residing in the village. The population density was 1,235.2 people per square mile. There were 93 housing units at an average density of 506.0 per square mile. The racial makeup of the village was 96.48% White, 0.44% Asian, 1.76% from other races, and 1.32% from two or more races. Hispanic or Latino of any race were 1.76% of the population.There were 91 households out of which 30.8% had children under the age of 18 living with them, 59.3% were married couples living together, 6.