This event is in the "Adults" group. Grundy County Early Voting in Annex 8:00am - 12:00pm Adults Annex A This event is in the "Adults" group. Mar 22 2025 Sat Grundy County Early Voting in Annex 8:00am - 12:00pm Annex A Library Branch: Coal City Public Library District Room: Annex A Age Group: Adults Program Type: Other Event Details: Grundy County early voting in Annex. Any qualified Grundy County voter may vote prior to Election Day at the Early Voting site established by the election authority. Any vote cast during Early Voting is final and cannot be revoked.