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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Houlton, ME

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Area Code(s):207
Timezone(s):Eastern (GMT -05:00)
City Population:4,856 (More Details)
Congressional District(s):02
Land Area:6,671 square miles (county)
Water Area:156 square miles (county)

2 ZIP Codes

Houlton, ME ZIP Code Boundaries

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Houlton, ME Covers 2 ZIP Codes

ZIP CodeTypePopulation% of PopulationAliases

Houlton, ME Demographic Information *

Total population**4,856
Male population2,230
Female population2,626
Median age (years)43.7
White Population4,537
Black Population38
Indian Population168
Asian Population24
Hawaiian Population1
Hispanic Population55
Median age (Male)40.5
Median age (Female)46.6
Total households2,044
Family households (families)1,213
Average household size2.22
Average family size2.85
Total housing units2,269
* Demographic data is based on 2010 Census for the City of HOULTON.
** 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],