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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Washington, IL

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Area Code(s):309
Timezone(s):Central (GMT -06:00)
City Population:15,134 (More Details)
CBSA:Peoria, IL
Congressional District(s):16
Land Area:649 square miles (county)
Water Area:9 square miles (county)

1 ZIP Code

Washington, IL ZIP Code Boundaries

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Washington, IL Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
61571Standard23,744100.00%BEVERLY MANOR

Washington, IL Demographic Information *

Total population**15,134
Male population7,370
Female population7,764
Median age (years)36.3
White Population14,627
Black Population78
Indian Population19
Asian Population153
Hawaiian Population7
Hispanic Population248
Median age (Male)35
Median age (Female)37.6
Total households5,870
Family households (families)4,200
Average household size2.56
Average family size3.05
Total housing units6,189
* Demographic data is based on 2010 Census for the City of WASHINGTON.
** 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],