Home > ME > Kennebec County > Monmouth > Zip 04259

Zip Code 04259 — Monmouth, ME

04259 is a ZIP Code associated with Monmouth, ME, located within Kennebec. The postal region supports an estimated population of 3,610 residents across Data Pending housing units, with a population density of 48.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.227620, -70.008680)

Data MetricLocal Statistic
Postal / Zip Code04259
Primary CityMonmouth
State / ProvinceME
CountyKennebec
Total Population3,610
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density48.1 people/sq mi
TimezoneAmerica/New_York

How 04259 Compares

MetricZIP 04259Kennebec CountyME State Average
Population3,610126,7721,387,734
Median IncomeData PendingN/AN/A
Population Density48.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 04265North Monmouth3.7 mi552N/A
Zip 04350Litchfield5.6 mi3,680N/A
Zip 04364Winthrop6.3 mi6,191N/A
Zip 04236Greene7.2 mi4,417N/A
Zip 04263Leeds7.6 mi2,285N/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 →