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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Dayton, WY

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Area Code(s):307
Timezone(s):Mountain (GMT -07:00)
City Population:757 (More Details)
CBSA:Sheridan, WY
Congressional District(s):No Districts
Land Area:2,524 square miles (county)
Water Area:3 square miles (county)

1 ZIP Code

Dayton, WY ZIP Code Boundaries

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Dayton, WY Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Dayton, WY Demographic Information *

Total population**757
Male population376
Female population381
Median age (years)44.5
White Population711
Black Population0
Indian Population32
Asian Population2
Hawaiian Population0
Hispanic Population23
Median age (Male)44.8
Median age (Female)44.1
Total households308
Family households (families)210
Average household size2.46
Average family size3
Total housing units336
* Demographic data is based on 2010 Census for the City of DAYTON.
** 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],