Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/ME/COUNTY/LINCOLN

Lincoln County, ME ZIP codes

There are 28 ZIP codes in Lincoln County, ME, in 28 towns, from 04341 to 04852. The largest are 04572 (Waldoboro), 04578 (Wiscasset) and 04348 (Jefferson).

The county seat is Wiscasset.

ZIP codes
28
Towns
28
County seat
Wiscasset
County FIPS
23015
State
Maine
Population
36,099
Median household income
$76,875
Land area
456 sq mi

Lincoln County ZIP codes by town

Wiscasset (county seat)
04578

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Lincoln County ZIP codes

04341043420434804353045350453704538045390454104543045440454904551045530455404555045560455804564045680457004571045720457304575045760457804852

The ZIP codes of Lincoln County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Lincoln County in numbers

About 36,099 people live in Lincoln County, in 16,592 households, the 13th most populous of Maine's 16 counties. The median household income is $76,875 a year, about the same as the Maine median of $74,733 (US: $80,734). The median owner-occupied home is valued at $332,700 (12% above the Maine median), and median gross rent is $1,055 a month. The median age is 51.4; 40.2% of adults 25 and over hold a bachelor's degree or higher (36.2% across Maine); the average commute takes 23 minutes.

Population36,099Lincoln36,099
Households16,592Lincoln16,592
Median age51.4Lincoln51.4Maine44.8US 38.9
Median household income$76,875Lincoln$76,875Maine$74,733US $80,734
Median home value$332,700Lincoln$332,700Maine$296,600US $332,700
Median gross rent$1,055Lincoln$1,055Maine$1,139US $1,413
Bachelor's degree or higher40.2%Lincoln40.2%Maine36.2%US 35.7%
Mean commute23.3 minLincoln23.3 minMaine24.6 minUS 26.4 min
Population density79 / sq miLincoln79 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Lincoln County

Largest towns in Lincoln County
TownZIP codesPopulation
Jefferson 1 3,484
Whitefield 1 2,115
Nobleboro 1 1,906
Boothbay 1 1,685
Dresden 1 1,645
Waldoboro 1 1,459
Bristol 1 1,456
Edgecomb 1 1,251
Damariscotta 1 1,100
Boothbay Harbor 1 1,047
East Boothbay 1 978
Bremen 1 917
Wiscasset 1 898
Alna 1 818
Newcastle 1 664

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Not sure you are in Lincoln County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Lincoln County, with figures

ZIP codes in Lincoln County
ZIP City Type Population Median income Median home
04341 Coopers Mills , ME Standard 42 — —
04342 Dresden , ME Standard 1,645 $74,844 $240,100
04348 Jefferson , ME Standard 3,484 $78,929 $286,300
04353 Whitefield , ME Standard 2,115 $73,875 $242,300
04535 Alna , ME Standard 818 $93,125 $367,400
04537 Boothbay , ME Standard 1,685 $76,667 $358,600
04538 Boothbay Harbor , ME Standard 1,810 $56,500 $388,100
04539 Bristol , ME Standard 1,456 $96,111 $346,900
04541 Chamberlain , ME Standard 45 — —
04543 Damariscotta , ME Standard 2,192 $59,423 $363,500
04544 East Boothbay , ME Standard 978 $59,375 $411,500
04549 Isle Of Springs , ME No street area — — —
04551 Bremen , ME Standard 917 $100,000 $425,300
04553 Newcastle , ME Standard 1,913 $89,868 $398,000
04554 New Harbor , ME Standard 514 $85,288 $501,700
04555 Nobleboro , ME Standard 1,906 $100,417 $352,600
04556 Edgecomb , ME Standard 1,251 $108,750 $348,400
04558 Pemaquid , ME Standard 382 $91,477 $526,800
04564 Round Pond , ME Standard 520 $132,604 $578,500
04568 South Bristol , ME Standard 512 $54,478 $550,000
04570 Squirrel Island , ME Standard 3 — —
04571 Trevett , ME Standard 439 $58,830 $257,000
04572 Waldoboro , ME Standard 5,253 $69,107 $274,900
04573 Walpole , ME Standard 557 $86,250 $420,000
04575 West Boothbay Harbor , ME Standard 286 $116,250 $641,300
04576 Southport , ME Standard 547 $89,375 $489,600
04578 Wiscasset , ME Standard 4,709 $81,063 $327,400
04852 Monhegan , ME Standard 120 — $701,900

Cite this page

zipcodes.pro. “Lincoln County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/me/county/lincoln

Underlying data is public domain or openly licensed — sources, vintages and licences.