Thomasboro is a village in Champaign County, Illinois, United States.

[3] According to the 2021 census gazetteer files, Thomasboro has a total area of 1.00 square mile (2.59 km2), all land.

[4] As of the 2020 census[6] there were 1,034 people, 452 households, and 300 families residing in the village.

There were 530 housing units at an average density of 530.00 per square mile (204.63/km2).

28.98% of all households were made up of individuals, and 7.08% had someone living alone who was 65 years of age or older.