In most communities, residents welcoming trick-or-treaters are asked to turn on their porch lights.

• Brookfield – 4 to 6 p.m. Saturday.

• Clark - 4 to 6 p.m. Saturday.

• Deer Creek Township – 5 to 7 p.m. Saturday

• Delaware Township – 4 to 6 p.m. Saturday

• East Lackawannock Township - 4 to 6 p.m. Saturday.

• Farrell – 4 to 6 p.m. Saturday.

• Fredonia - 2 to 4 p.m. Saturday.

• Greenville – 4 to 6 p.m. Saturday; Halloween parade at 1 p.m.

• Grove City – 4 to 6 p.m. Saturday.

• Grove City College – 4 to 6 p.m. Saturday, Colonial Apartments

• Hartford – 5 to 7 p.m. Saturday.

• Hempfield Township – 4 to 6 p.m. Saturday.

• Hermitage – 4 to 6 p.m. Saturday.

• Home Depot, Hermitage – 11 a.m. to 1 p.m. Saturday. Treats, games, crafts, and prizes.