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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Rockland, ME

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Counties:KNOX, ME
Area Code(s):207
Timezone(s):Eastern (GMT -05:00)
City Population:7,297 (More Details)
Congressional District(s):01
Land Area:365 square miles (county)
Water Area:779 square miles (county)

1 ZIP Code

Rockland, ME ZIP Code Boundaries

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Rockland, ME Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Rockland, ME Demographic Information *

Total population**7,297
Male population3,392
Female population3,905
Median age (years)43.5
White Population6,994
Black Population45
Indian Population26
Asian Population50
Hawaiian Population5
Hispanic Population97
Median age (Male)40.3
Median age (Female)46.4
Total households3,423
Family households (families)1,744
Average household size2.06
Average family size2.73
Total housing units3,925
* Demographic data is based on 2010 Census for the City of ROCKLAND.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],