Last year Peru held trick-or-treat on Friday, October 31, 2025, 5–7 p.m..
Source: Shaw Local / NewsTribune, Oct. 29, 2025 · checked Sept. 25, 2026
| Town | 2026 | Last year (2025) |
|---|---|---|
| Grand Ridge | Not posted yet | Fri, Oct. 31, 6–8 p.m. |
| La Salle | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| Lostant | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| Marseilles | Not posted yet | Fri, Oct. 31, 5–7:30 p.m. |
| Mendota | Sat, Oct. 31, 5–8 p.m. | Fri, Oct. 31, 5–7 p.m. |
| Oglesby | Not posted yet | Fri, Oct. 31, 5:30–7:30 p.m. |
| Ottawa | Not posted yet | Fri, Oct. 31, 6–8 p.m. |
| Seneca | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| Streator | Not posted yet | Fri, Oct. 31, 5–7 p.m. |
| Tonica | Not posted yet | Fri, Oct. 31, 5:30–7:30 p.m. |
| Utica | Not posted yet | Fri, Oct. 31, 5:30–7:30 p.m. |
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