👻 Sat, Oct. 10, 2026
McHenry — Harvest & Hallow Artisan & Vintage Market Trick-or-Treating | Sat, Oct. 10 | 10 AM–3 PM | The Holiday House | Free (Link)
McHenry — Nightmare on Elm Street…and Beyond | Sat, Oct. 10 | 11 AM–6 PM | Downtown McHenry (Elm Street between Green Street and Riverside Drive) | Free (Link)
👻 Sun, Oct. 11, 2026
Lake Zurich — Howl-O-Ween Dog Parade & Expo | Sun, Oct. 11 | 10 AM–1 PM | Staples Park | Free (Link)
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👻 Fri, Oct 16, 2026
Rolling Meadows — Spooky Story Path | Fri, Oct. 16 | 5 PM | Community Center Park | $9 (Link)
👻 Sat, Oct 17, 2026
Algonquin — Old Town Trick-or-Treat Trail | Sat, Oct. 17 | 4–6 PM | Towne Park | Free (Link)
Elk Grove Village — Doggy Trick or Treat | Sat, Oct. 17 | 10–11 AM | Al Hattendorf Center | $10/$12 (Link)
Hoffman Estates — Haunted Hoffman Family Fest & Trick-or-Treat Path | Sat, Oct. 17 | 10 AM–2 PM | Fabbrini Park | $9/$12 (Link)
Huntley — Spooktacular Saturday | Sat, Oct. 17 | 1–4 PM | Huntley Park District | $12/$15 (Link)
Itasca — Trick-or-Treat Trail | Sat, Oct. 17 | 12–1:30 PM | Springbrook Nature Center | Free (Link)
Prospect Heights — Spookfest | Sat, Oct. 17 | 3–7 PM | Gary Morava Recreation Center | $9 (Link)
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👻 Fri, Oct 23, 2026
Long Grove — Trick or Treat | Fri, Oct. 23 | 3–5 PM | Historic Downtown Long Grove | Free (Link)
👻 Sat, Oct 24, 2026
Bartlett — Halloween Fun Fest + Trick/Trunk-or-Treat | Sat, Oct. 24 | 10 AM–1 PM | Downtown Bartlett | Free (Link)
Crystal Lake — Trick or Treat Halloween Event | Sat, Oct. 24 | 11 AM–2 PM | Crystal Lake Plaza | Free (Link)
Palatine — Halloween Trick-or-Treat | Sat, Oct. 24 | 10 AM–2 PM | Downtown Palatine | Free (Link)
Schaumburg — Tricks & Treats in the Valley | Sat, Oct. 24| 12–3 PM | Heritage Farm at Spring Valley | $6/$8 (Link)
Skokie — Downtown Skokie Trick-or-Treat | Sat, Oct. 24 | 1–3 PM | Downtown Skokie | Free (Link)
South Barrington — AR-BOO-RETUM Trick-or-Treat | Sat, Oct. 24 | 1-3 PM | The Arboretum of South Barrington | Free (Link)
Vernon Hills — Trick-or-Treat at The Laurel | Sat, Oct. 24 | 2–4 PM | The Laurel at Vernon Hills Memory Care | Free (Link)
👻 Sun, Oct 25, 2026
Schaumburg — Tricks & Treats in the Valley | Sun, Oct. 25 | 12–3 PM | Heritage Farm at Spring Valley | $6/$8 (Link)
Skokie — Trick or Treat at the Market | Sun, Oct. 25 | 7:30 AM–12:30 PM | Skokie Farmers' Market | Free (Link)
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👻 Wed, Oct 28, 2026
Mount Prospect — Downtown Trick-or-Treat | Wed, Oct. 28 | 4–6 PM | Downtown Mount Prospect | Free (Link)
👻 Thu, Oct 29, 2026
Palatine — Trick-or-Treat Festival | Thu, Oct. 29 | 5–6:30 PM | Palatine High School | Free (Link)
Streamwood — Screamwood Boo Bash | Thu, Oct. 29 | 6–8 PM | Park Place Family Recreation Center | Free (Link)
👻 Fri, Oct 30, 2026
Buffalo Grove — Trick-or-Treat Trail | Fri, Oct. 30 | 5–7 PM | Community Arts Center | Free (Link)
Huntley — Trick or Treat Around the Square | Fri, Oct. 30 | 10 AM–2 PM | Huntley Town Square | Free (Link)
Lake in the Hills — Trick-or-Treat | Fri, Oct. 30 | 3:30–5:30 PM | Irv Floress Safety Education Center | Free (Link)
👻 Sat, Oct 31, 2026
Palatine — Halloween Party + Trick-or-Treat Trail | Sat, Oct. 31 | 9 AM–1 PM | Community Center | $10 children / $1 adults (Link)
Prospect Heights — Trick or Treat @ Your Library | Sat, Oct. 31 | 9 AM–5 PM | Prospect Heights Public Library | Free (Link)
Vernon Hills — Trick-or-Treat at Hawthorn Mall | Sat, Oct. 31 | 11 AM–1 PM | Hawthorn Mall | Free (Link)
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