Home > ME > Somerset County > Rockwood > Zip 04478

Zip Code 04478 — Rockwood, ME

ZIP Code 04478 is associated with Rockwood, ME, in Somerset County. The listed population estimate is 316; estimated density is 0.5 people per square mile. Among records with population estimates, it ranks #21 of 25 in Somerset County and #362 of 417 in ME.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (45.729900, -69.768570)

Data MetricLocal Statistic
Postal / Zip Code04478
Primary CityRockwood
State / ProvinceME
CountySomerset
Total Population316
Population Density0.5 people/sq mi
TimezoneAmerica/New_York

How 04478 Compares

MetricZIP 04478Somerset County recordsME records
Population estimate31650,691 (sum)1,387,734 (sum)
Population Density0.5 /sq mi----
County population rank#21 of 25----
State population rank#362 of 417----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in ME

ZIP CodeCityDistancePopulation estimate
ZIP 04442Greenville Junction18.0 mi208
ZIP 04441Greenville21.7 mi1,839
ZIP 04985West Forks25.0 mi217
ZIP 04485Shirley Mills26.5 mi234
ZIP 04945Jackman26.9 mi1,325

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 →