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ZIP Code Database - Facts & Stats

Data Last Updated: August 1, 2022

ZIP Codes for City of Smithfield, ME

Smithfield, ME Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 04978StandardSomerset799207

Timezone(s):Eastern (GMT -05:00)
Population:799 (More Details)
Male Population:389
Female Population:410
Median Age:50
ZIP Codes:1
Area Codes:1
Total Area:4,094 square miles (county)
Land Area:3,925 square miles (county)
Water Area:169 square miles (county)

Smithfield, ME Demographic Information *

There is no Census data for the city of SMITHFIELD, ME. We have pulled information for the ZIP Code 04978 instead.
Total population799
Male population389
Female population410
Median age (years)49.7
White Population777
Black Population1
Indian Population2
Asian Population4
Hawaiian Population0
Hispanic Population10
Median age (Male)49.8
Median age (Female)49.5
Total households349
Family households (families)247
Average household size2.29
Average family size2.6
Total housing units605
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 8/1/2022],
  2. Internal Data Creation [Last Updated: 8/1/2022],
  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],