As of the 2020 census, its population was 832 and it contained 385 housing units.

[1] It contains the village of Fillmore and the unincorporated communities of Chapman and Van Burensburg.

Two officeholders from Fillmore Township, the Supervisor and Clerk, were reelected while a new highway commissioner and four new trustees were elected.

[5] Ɨ Served in this position prior to the consolidation with South Fillmore Township.

This Montgomery County, Illinois location article is a stub.