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ZIP Code Database - Facts & Stats

Data Last Updated: January 1, 2022

ZIP Codes for City of Washington, IL

Washington, IL Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 61571StandardTazewell23,744309

Timezone(s):Central (GMT -06:00)
Population:15,134 (More Details)
Male Population:7,370
Female Population:7,764
Median Age:36
ZIP Codes:1
Area Codes:1
Total Area:658 square miles (county)
Land Area:649 square miles (county)
Water Area:9 square miles (county)

Washington, IL Demographic Information *

Total population15,134
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.

Washington, IL Other Information

  • Located in TAZEWELL County, Illinois
  • Washington, IL is also known as:

91 Cities within 30 miles of Washington, IL Products


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