Last year Deer Park held trick-or-treat on Friday, October 31, 2025, 4–7 p.m..
Source: Visit Lake County (Lake County IL CVB), Oct. 10, 2025 · checked Sept. 25, 2026
| Town | 2026 | Last year (2025) |
|---|---|---|
| Antioch | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Beach Park | Not posted yet | Sun, Oct. 26, 2–5 p.m. |
| Buffalo Grove | Not posted yet | Fri, Oct. 31, 3–8 p.m. |
| Deerfield | Not posted yet | Fri, Oct. 31, 3:30–7 p.m. |
| Fox Lake | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Grandwood Park | Not posted yet | Fri, Oct. 31, 5–8 p.m. |
| Grayslake | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Green Oaks | Not posted yet | Fri, Oct. 31, 4–8 p.m. |
| Gurnee | Not posted yet | Sun, Oct. 26, 2–5 p.m. |
| Hainesville | Not posted yet | Fri, Oct. 31, 4:30–7:30 p.m. |
| Hawthorn Woods | Not posted yet | Fri, Oct. 31, 4–8 p.m. |
| Highland Park | Not posted yet | Fri, Oct. 31, 3:30–7 p.m. |
| Ingleside | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Kildeer | Not posted yet | Fri, Oct. 31, 3–8 p.m. |
| Lake Barrington | Not posted yet | Fri, Oct. 31, 3–7 p.m. |
| Lake Bluff | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Lake Forest | Not posted yet | Fri, Oct. 31, 4–8 p.m. |
| Lake Villa | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Lake Zurich | Not posted yet | Fri, Oct. 31, 3–8 p.m. |
| Lakemoor | Not posted yet | Fri, Oct. 31, 3–7 p.m. |
| Libertyville | Not posted yet | Fri, Oct. 31, 5–8 p.m. |
| Lincolnshire | Not posted yet | Fri, Oct. 31, 3–8 p.m. |
| Lindenhurst | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Long Grove | Not posted yet | Fri, Oct. 31, 3–7 p.m. |
| Mettawa | Not posted yet | Fri, Oct. 31, 4–8 p.m. |
| Mundelein | Not posted yet | Fri, Oct. 31, 4–8 p.m. |
| North Barrington | Not posted yet | Fri, Oct. 31, 3–7 p.m. |
| North Chicago | Not posted yet | Sun, Oct. 26, 3–5 p.m. |
| Park City | Not posted yet | Sun, Oct. 26, 2–5 p.m. |
| Riverwoods | Not posted yet | Fri, Oct. 31, 3:30–7 p.m. |
| Round Lake Area | Not posted yet | Sun, Oct. 26, 1–5 p.m. |
| Third Lake | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Vernon Hills | Not posted yet | Fri, Oct. 31, 4–8 p.m. |
| Volo | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Wadsworth | Not posted yet | Sun, Oct. 26, 2–5 p.m. |
| Wauconda | Not posted yet | Fri, Oct. 31, 4–8 p.m. |
| Waukegan | Sat, Oct. 31, 2–5 p.m. | Sun, Oct. 26, 2–5 p.m. |
| Wildwood | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Winthrop Harbor | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Zion | Not posted yet | Sun, Oct. 26, 2–5 p.m. |
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