Abingdon is a city in Knox County, Illinois, United States, 50 miles (80 km) west of Peoria.

Illinois Route 41 passes through the center of the city, leading north 11 miles (18 km) to Galesburg, the county seat, and south 20 miles (32 km) to Bushnell.

According to the 2010 census, Abingdon has a total area of 1.46 square miles (3.78 km2), all land.

[8] As of the census[10] of 2000, there were 3,612 people, 1,422 households, and 984 families residing in the city.

There were 1,535 housing units at an average density of 1,051.9 per square mile (406.1/km2).

26.2% of all households were made up of individuals, and 14.5% had someone living alone who was 65 years of age or older.

The students selected "Tornadoes" as the mascot and black, green, and yellow as the school colors.