According to the Maine Secretary of State, you may return your ballot in-person at your municipal clerk before the close of business THE THURSDAY BEFORE ELECTION DAY (OCTOBER 29). If a PO Box is listed, please use the phone number to call and ask for the address. A list of municipal clerk sites for Knox County is as follows:
- PO Box 198, Matinicus, ME 04851: (207) 366-3970 (source)
- PO Box 131, Tenants Harbor, ME 04860: (207) 372-6363 (source)
- 2915 Sennebec Road, Appleton, ME 04862: (207) 785-4722 (source)
- PO Box 1207, Camden, ME 04843: (207) 236-3353 (source)
- 39 Cross Road, Cushing, ME 04563: (207) 354-2375 (source)
- 6 Harbor Rd, Friendship, ME 04547: (207) 832-7644 (source)
- 441 441 Camden Rd, Hope, ME 04847: (207) 763-4199 (source)
- PO Box 71, Isle Au Haut, ME 04645: (207) 335-5001 (source)
- 16 Town Office Square, North Haven, ME 04853: (207) 867-4433 (source)
- 224 Ash Point Dr, Owls Head, ME 04854: (207) 594-7434 (source)
- 270 Pleasant, Rockland, ME 04841: (207) 594-0304 (source)
- 101 Main Street, Rockport, ME 04856: (207) 236-9648 (source)
- PO Box 147, South Thomaston, ME 04858: (207) 596-6584 (source)
- 13 Valley Street, Thomaston, ME 04861: (207) 354-6107 (source)
- PO Box 186, Union, ME 04862: (207) 785-3658 (source)
- 19 Washington School Road, Vinalhaven, ME 04863: (207) 863-4343 (source)
- 167 Western Road, Warren, ME 04864: (207) 273-2421 (source)
- PO Box 408, Washington, ME 04574: (207) 845-2897 (source)