Tonica is a village in LaSalle County, Illinois, United States. The population was 749 at the 2020 census, down from 768 at the 2010 census. It is part of the Ottawa Micropolitan Statistical Area. History Tonica was originally a small hamlet called Point Republic. The village was founded by Andrew West, the local agent for the Illinois Central Railroad. The tracks arrived May 23, 1853. Tonica was first incorporated on April 3, 1859, then reincorporated on August 16, 1873. The incorporation was certified on October 16, 1901. Tonica derives its name from the Tunica people that West learned about while growing up in New York State. West likewise named many of the streets in the town after Native American tribes and people. Geography Tonica is located in western LaSalle County at (41.215902, -89.067981). Illinois Route 251 passes through the center of the village, leading north to Peru and south to Wenona. Interstate 39 passes through the west side of the village, with access from Exit 48 (N 20th Road). I-39 leads north to Interstate 80 in LaSalle and south to Interstate 55 at Normal. According to the 2020 census, Tonica has a total area of , all land. Demographics As of the census of 2020, there were 749 people, 328 households, and 207 families residing in the village. The population density was . There were 331 housing units at an average density of . The racial makeup of the village was 86.78% White, 0.13% Native American, 0.53% Asian,4.94% from other races, and 0.61% from two or more races. Hispanic or Latino of any race were 9.48% of the population. There were 328 households, out of which 31.4% had children under the age of 18 living with them, 47.9% were married couples living together, 10.4% had a female householder with no husband present, and 36.9% were non-families. 31.7% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older. The average household size was 2.37 and the average family size was 2.93. In the village, the population was spread out, with 20.8% under the age of 18, 11.1% from 18 to 24, 24.8% from 25 to 44, 24.0% from 45 to 64, and 12.1% who were 65 years of age or older. The median age was 41.4 years. For every 100 females, there were 112.3 males. For every 100 females