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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Middletown, PA

Middletown, PA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 17057StandardDauphin21,329717

Timezone(s):Eastern (GMT -05:00)
Counties:DAUPHIN, PA
Population:8,901 (More Details)
Male Population:4,278
Female Population:4,623
Median Age:37
ZIP Codes:1
Area Codes:1
Total Area:558 square miles (county)
Land Area:525 square miles (county)
Water Area:33 square miles (county)

Middletown, PA Demographic Information *

Total population8,901
Male population4,278
Female population4,623
Median age (years)37.2
White Population7,444
Black Population737
Indian Population9
Asian Population160
Hawaiian Population0
Hispanic Population510
Median age (Male)34.7
Median age (Female)39.6
Total households3,951
Family households (families)2,101
Average household size2.22
Average family size2.95
Total housing units4,411
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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],