Home > ME > Kennebec County > Gardiner > Zip 04345

Zip Code 04345 — Gardiner, ME

04345 is a ZIP Code associated with Gardiner, ME, located within Kennebec. The postal region supports an estimated population of 12,579 residents across Data Pending housing units, with a population density of 67.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.198160, -69.784100)

Data MetricLocal Statistic
Postal / Zip Code04345
Primary CityGardiner
State / ProvinceME
CountyKennebec
Total Population12,579
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density67.7 people/sq mi
TimezoneAmerica/New_York

How 04345 Compares

MetricZIP 04345Kennebec CountyME State Average
Population12,579126,7721,387,734
Median IncomeData PendingN/AN/A
Population Density67.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 04359South Gardiner1.7 mi298N/A
Zip 04346Randolph3.0 mi1,610N/A
Zip 04344Farmingdale4.6 mi3,017N/A
Zip 04357Richmond5.6 mi3,566N/A
Zip 04347Hallowell6.5 mi2,592N/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 →