Last year St. John held trick-or-treat on Friday, October 31, 2025, 5–8 p.m..
Source: TownPlanner Northwest Indiana, Oct. 11, 2025 · checked Sept. 25, 2026
| Town | 2026 | Last year (2025) |
|---|---|---|
| Cedar Lake | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| Crown Point | Sat, Oct. 31, 5–7 p.m. | Fri, Oct. 31, 5–8 p.m. |
| Dyer | Not posted yet | Fri, Oct. 31, 4–8 p.m. |
| East Chicago | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Gary | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| Griffith | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| Hammond | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| Highland | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| Hobart | Not posted yet | Fri, Oct. 31, 5–8 p.m. |
| Lake Station | Not posted yet | Fri, Oct. 31, 5:30–8 p.m. |
| Lakes of the Four Seasons | Not posted yet | Fri, Oct. 31, 4–7 p.m. |
| Lowell | Not posted yet | Fri, Oct. 31, 5–8 p.m. |
| Merrillville | Not posted yet | Fri, Oct. 31, 5:30–7:30 p.m. |
| Munster | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| New Chicago | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| Schererville | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| Whiting | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| Winfield | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
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