Waterloo Halloween Events

Halloween Costume Party w In Cahoots!

310 E 4th St, Waterloo, IA 31 Oct 2025

Glaze a Jack-o-Lantern: Sold out

225 Commercial St., Waterloo, IA, United States, Iowa 50701 1 Oct 2025

Downtown Trick-or-Treat

Downtown Waterloo, Iowa 25 Oct 2025

Grout Spooktacular

503 South St, Waterloo, IA, United States, Iowa 50701 25 Oct 2025

Trick or Treat at Hy-Vee! | 10.25

1422 Flammang Dr, Waterloo, IA 50702 25 Oct 2025

Waterloo Urban Farmers Market

460 Jefferson St , Waterloo, IA, United States, Iowa 50701 4 Oct 2025

Chili & Pumpkins 🎃

1955 Locke Ave, Waterloo, IA 29 Oct 2025

Trick or Treat: Fright Night at the Phelps

225 Commercial St., Waterloo, IA, United States, Iowa 50701 29 Oct 2025

Starbite Halloween Themed Planetarium Show

503 South St, Waterloo, IA, United States, Iowa 50701 24 Oct 2025

Fall Fest at Hy-Vee! | 10.04

1422 Flammang Dr, Waterloo, IA 50702 4 Oct 2025

2025 🎃 Halloween 🎃 Dart Tournament

Danny's On Donald 25 Oct 2025

Downtown Historic Haunted Tours

Downtown Waterloo, Iowa 8 Oct 2025

Trunk or Treat

1301 Kimball Ave, Waterloo, IA, United States, Iowa 50702 26 Oct 2025

Trick or Treating at the Mansion!

​800 W 4th St., Waterloo, IA, United States, Iowa 50702 31 Oct 2025

Mischief Night Masquerade

Iron Horse Saloon Waterloo 30 Oct 2025

Trunk or Treat - Allen College

1950 Heath St., Waterloo, IA, United States, Iowa 50703 30 Oct 2025

Drink Local Halloweekend!

Iron Horse Saloon Waterloo 30 Oct 2025

Trick or Treat at Hy-Vee! | 10.25

2834 Ansborough Ave, Waterloo, IA 50701 25 Oct 2025

Trunk Or Treat

2323 Crossroads Blvd, Waterloo, IA, United States, Iowa 50702 29 Oct 2025

Trunk or Treat

2211 Maynard Ave, Waterloo, IA, United States, Iowa 50701 19 Oct 2025

Treat or Trade: Costume Trunk Party!

TechWorks Campus 28 Oct 2025

Strolling with the Spirits

611 Fairview Ave, Waterloo, IA 50703-5831, United States 11 Oct 2025