Preemption is an unincorporated community and census-designated place in Preemption Township, Mercer County, Illinois, United States.

[2] Preemption is 4 miles (6 km) west of Sherrard and has a post office with ZIP code 61276.

[5] Roy James Carver (1909-1981), American philanthropist and businessman, was born in Preemption.

[6] Preemption first appeared as a census designated place in the 2020 U.S.

This Mercer County, Illinois location article is a stub.