List of 22 Zip Codes in Washington County, Illinois

On this page, we'll list out the 22 Washington County, Illinois ZIP codes we have, including the land area and county name of each code.

Illinois is the 25th largest state by total land area, with a land area of 57,914 square miles (149,997 square kilometers) and has a total population of 12,770,631 people as of the most recent U.S. Census survey.

Washington County makes up approximately 3.11% of the total land area for Illinois and we have 22 zip codes for the county in our database, which you can see details of below, with land area information for each zip code.

ZIP Code Land Area (Sq. Meters) Land Area (Sq. Miles) Land Area (Sq. Kilometers)
62214 165,617,000 64 166
62214 165,617,000 64 166
62237 249,648,000 96 250
62257 190,693,000 74 191
62257 190,693,000 74 191
62257 190,693,000 74 191
62263 377,242,000 146 377
62263 377,242,000 146 377
62268 135,203,000 52 135
62271 150,168,000 58 150
62801 353,590,000 137 354
62801 353,590,000 137 354
62801 353,590,000 137 354
62801 353,590,000 137 354
62801 353,590,000 137 354
62803 149,680,000 58 150
62803 149,680,000 58 150
62808 197,409,000 76 197
62831 104,054,000 40 104
62848 8,479,300 3 8
62876 7,945,000 3 8
62877 84,822,400 33 85

More Counties in Illinois

If you want to search and find zip codes for different counties in Illinois, the list below contains links to each of the 103 Illinois counties we have data for.

Data Source(s)

All of the zip code data on this page is sourced from the United States Census Bureau geography reference files.

Link To or Reference This Page

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If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference Name Census as the source. We appreciate your support!

  • "List of 22 Zip Codes in Washington County, Illinois". NameCensus.com. Accessed on May 23, 2022. http://namecensus.com/zip-codes/illinois/washington-county/.

  • "List of 22 Zip Codes in Washington County, Illinois". NameCensus.com, http://namecensus.com/zip-codes/illinois/washington-county/. Accessed 23 May, 2022

  • List of 22 Zip Codes in Washington County, Illinois. NameCensus.com. Retrieved from http://namecensus.com/zip-codes/illinois/washington-county/.