Home > ME > Knox County > Warren > Zip 04864

Zip Code 04864 — Warren, ME

04864 is a ZIP Code associated with Warren, ME, located within Knox. The postal region supports an estimated population of 4,932 residents across Data Pending housing units, with a population density of 41.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.129460, -69.244810)

Data MetricLocal Statistic
Postal / Zip Code04864
Primary CityWarren
State / ProvinceME
CountyKnox
Total Population4,932
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density41.0 people/sq mi
TimezoneAmerica/New_York

How 04864 Compares

MetricZIP 04864Knox CountyME State Average
Population4,93241,0031,387,734
Median IncomeData PendingN/AN/A
Population Density41.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 04861Thomaston4.3 mi2,769N/A
Zip 04841Rockland5.4 mi7,035N/A
Zip 04572Waldoboro6.3 mi5,253N/A
Zip 04856Rockport7.0 mi3,675N/A
Zip 04858South Thomaston7.6 mi1,378N/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 →