Halloween Costume Contests in Dubuque 2025

Explore The Best Of Pumpkin Costume Parties & Events in Dubuque

TRUNK -or- TREAT! - Dubuque County Fairgrounds & Event Center

 14569 Old Highway Rd, Dubuque, IA, United States, Iowa 52002 22 Oct 2026

Under the Sea Princess Party - July 12

 3339 Hillcrest Road, Dubuque, IA, United States, Iowa 52002 12 Jul 2026