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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Upton, WY

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Counties:WESTON, WY
Area Code(s):307
Timezone(s):Mountain (GMT -07:00)
City Population:1,100 (More Details)
CBSA:Gillette, WY
Congressional District(s):No Districts
Land Area:2,398 square miles (county)
Water Area:2 square miles (county)

1 ZIP Code

Upton, WY ZIP Code Boundaries

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Upton, WY Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Upton, WY Demographic Information *

Total population**1,100
Male population556
Female population544
Median age (years)38.4
White Population1,052
Black Population2
Indian Population19
Asian Population5
Hawaiian Population0
Hispanic Population25
Median age (Male)38.6
Median age (Female)38.2
Total households467
Family households (families)303
Average household size2.36
Average family size2.88
Total housing units539
* Demographic data is based on 2010 Census for the City of UPTON.
** 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],