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County ZIP codes · Maine · FIPS 23009

Hancock County, ME ZIP Codes

Hancock County, Maine has 45 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 41 residential and 4 for PO boxes or a single organization. 40 of the residential ones lie mainly in Hancock County and 1 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $59,643 in 04664 (Sullivan) to $80,377 in 04614 (Blue Hill) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Hancock County?

04408 · Aurora: –04416 · Bucksport: $65k04421 · Castine: $114k04429 · Holden: $97k04431 · East Orland: –04472 · Orland: $69k04476 · Penobscot: $63k04605 · Ellsworth: $77k04607 · Gouldsboro: $60k04609 · Bar Harbor: $77k04612 · Bernard: $90k04613 · Birch Harbor: –04614 · Blue Hill: $80k04616 · Brooklin: $69k04617 · Brooksville: $52k04622 · Cherryfield: $44k04624 · Corea: $62k04625 · Cranberry Isles: $39k04627 · Deer Isle: $62k04634 · Franklin: $68k04635 · Frenchboro: $42k04640 · Hancock: $72k04642 · Harborside: $72k04646 · Islesford: $89k04650 · Little Deer Isle: $110k04653 · Bass Harbor: $90k04660 · Mount Desert: $79k04662 · Northeast Harbor: $108k04664 · Sullivan: $60k04669 · Prospect Harbor: $66k04673 · Sargentville: $54k04674 · Seal Cove: $77k04675 · Seal Harbor: $250k+04676 · Sedgwick: $73k04677 · Sorrento: $83k04679 · Southwest Harbor: $59k04681 · Stonington: $60k04683 · Sunset: –04684 · Surry: $75k04685 · Swans Island: $86k04693 · Winter Harbor: $86k0440804605046220463404416046070461404429046270468404472046090466404476046850464004660046170461604693046810467404408 · Aurora: –04416 · Bucksport: $65k04421 · Castine: $114k04429 · Holden: $97k04431 · East Orland: –04472 · Orland: $69k04476 · Penobscot: $63k04605 · Ellsworth: $77k04607 · Gouldsboro: $60k04609 · Bar Harbor: $77k04612 · Bernard: $90k04613 · Birch Harbor: –04614 · Blue Hill: $80k04616 · Brooklin: $69k04617 · Brooksville: $52k04622 · Cherryfield: $44k04624 · Corea: $62k04625 · Cranberry Isles: $39k04627 · Deer Isle: $62k04634 · Franklin: $68k04635 · Frenchboro: $42k04640 · Hancock: $72k04642 · Harborside: $72k04646 · Islesford: $89k04650 · Little Deer Isle: $110k04653 · Bass Harbor: $90k04660 · Mount Desert: $79k04662 · Northeast Harbor: $108k04664 · Sullivan: $60k04669 · Prospect Harbor: $66k04673 · Sargentville: $54k04674 · Seal Cove: $77k04675 · Seal Harbor: $250k+04676 · Sedgwick: $73k04677 · Sorrento: $83k04679 · Southwest Harbor: $59k04681 · Stonington: $60k04683 · Sunset: –04684 · Surry: $75k04685 · Swans Island: $86k04693 · Winter Harbor: $86k0440804605046220463404416046070461404429046270468404609046640447604685046400466004408 · Aurora: –04416 · Bucksport: $65k04421 · Castine: $114k04429 · Holden: $97k04431 · East Orland: –04472 · Orland: $69k04476 · Penobscot: $63k04605 · Ellsworth: $77k04607 · Gouldsboro: $60k04609 · Bar Harbor: $77k04612 · Bernard: $90k04613 · Birch Harbor: –04614 · Blue Hill: $80k04616 · Brooklin: $69k04617 · Brooksville: $52k04622 · Cherryfield: $44k04624 · Corea: $62k04625 · Cranberry Isles: $39k04627 · Deer Isle: $62k04634 · Franklin: $68k04635 · Frenchboro: $42k04640 · Hancock: $72k04642 · Harborside: $72k04646 · Islesford: $89k04650 · Little Deer Isle: $110k04653 · Bass Harbor: $90k04660 · Mount Desert: $79k04662 · Northeast Harbor: $108k04664 · Sullivan: $60k04669 · Prospect Harbor: $66k04673 · Sargentville: $54k04674 · Seal Cove: $77k04675 · Seal Harbor: $250k+04676 · Sedgwick: $73k04677 · Sorrento: $83k04679 · Southwest Harbor: $59k04681 · Stonington: $60k04683 · Sunset: –04684 · Surry: $75k04685 · Swans Island: $86k04693 · Winter Harbor: $86k044080460504622046340441604607046140442904627046840460904664
The residential ZIP codes of Hancock County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $63,194 and $74,508.

They carry 41 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 41 residential ZIP codes in Hancock County

40 ZIP codes lie mainly in Hancock County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Hancock County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
04605 Ellsworth 14,529 55 $77k $257k 100%
04416 Bucksport 5,497 95 $65k $251k 100%
04609 Bar Harbor 5,244 124 $77k $538k 100%
04429 Holden 5,008 71 $97k $314k 56%
04614 Blue Hill 2,813 45 $80k $400k 100%
04640 Hancock 2,450 84 $72k $269k 100%
04634 Franklin 2,374 25 $68k $265k 100%
04627 Deer Isle 2,137 82 $62k $300k 100%
04472 Orland 1,852 39 $69k $275k 100%
04684 Surry 1,836 50 $75k $296k 100%
04679 Southwest Harbor 1,553 115 $59k $429k 100%
04421 Castine 1,362 175 $114k $604k 100%
04664 Sullivan 1,246 31 $60k $222k 100%
04476 Penobscot 1,154 29 $63k $296k 100%
04607 Gouldsboro 1,142 25 $60k $253k 100%
04676 Sedgwick 1,130 47 $73k $337k 100%
04660 Mount Desert 1,072 36 $79k $481k 100%
04616 Brooklin 869 48 $69k $339k 100%
04681 Stonington 840 86 $60k $307k 100%
04653 Bass Harbor 719 202 $90k $418k 100%
04617 Brooksville 651 29 $52k $393k 100%
04612 Bernard 505 120 $90k $407k 100%
04693 Winter Harbor 493 34 $86k $211k 100%
04662 Northeast Harbor 476 110 $108k $707k 100%
04685 Swans Island 438 27 $86k $317k 100%
04677 Sorrento 345 86 $83k $299k 100%
04650 Little Deer Isle 333 98 $110k $332k 100%
04674 Seal Cove 284 31 $77k $374k 100%
04624 Corea 225 38 $62k $558k 100%
04642 Harborside 202 24 $72k $385k 100%
04408 Aurora 194 0 – $200k 100%
04669 Prospect Harbor 171 98 $66k $238k 100%
04673 Sargentville 144 47 $54k $335k 100%
04646 Islesford 134 170 $89k $429k 100%
04675 Seal Harbor 123 40 $250k+ $560k 100%
04613 Birch Harbor 92 61 – $320k 100%
04431 East Orland 63 788 – – 100%
04625 Cranberry Isles 62 26 $39k $525k 100%
04635 Frenchboro 30 13 $42k – 100%
04683 Sunset no residents 0 – – 100%

Partly in Hancock County

Residential ZIP codes mainly in another county that reach at least 1% into Hancock County, by their share here
In this county
04622 Cherryfield 1,050 3 $44k $166k 23%

Download the 45 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

2 ZIP codes of Hancock County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Hancock County and in the neighboring counties
ZIPIn HancockElsewhere
0442956%Penobscot County 44%
0462223%Washington County 77%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Hancock County without a residential area (GeoNames postal codes)
ZIPPostal name
04420Castine
04629East Blue Hill
04644Hulls Cove
04672Salsbury Cove

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Hancock County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Hancock County's ZIP codes use 2 prefixes: 044 and 046.

Three-digit prefixes of Hancock County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Hancock County's
PrefixSectional centerHereAll codes
044 Eastern, ME (SCF 044) 8 68
046 Eastern, ME (SCF 044) 37 63

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.