Home > ME > Lincoln County > Wiscasset > Zip 04578

Zip Code 04578 — Wiscasset, ME

04578 is a ZIP Code associated with Wiscasset, ME, located within Lincoln. The postal region supports an estimated population of 4,709 residents across Data Pending housing units, with a population density of 54.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.981360, -69.692600)

Data MetricLocal Statistic
Postal / Zip Code04578
Primary CityWiscasset
State / ProvinceME
CountyLincoln
Total Population4,709
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density54.4 people/sq mi
TimezoneAmerica/New_York

How 04578 Compares

MetricZIP 04578Lincoln CountyME State Average
Population4,70936,0991,387,734
Median IncomeData PendingN/AN/A
Population Density54.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 04556Edgecomb3.6 mi1,251N/A
Zip 04579Woolwich4.0 mi3,158N/A
Zip 04571Trevett5.7 mi439N/A
Zip 04537Boothbay6.4 mi1,685N/A
Zip 04342Dresden7.2 mi1,645N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →