List of 5 Zip Codes in Washington County, Idaho

On this page, we'll list out the 5 Washington County, Idaho ZIP codes we have, including the land area and county name of each code.

Idaho is the 14th largest state by total land area, with a land area of 83,569 square miles (216,443 square kilometers) and has a total population of 1,754,367 people as of the most recent U.S. Census survey.

Washington County makes up approximately 2.30% of the total land area for Idaho and we have 5 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)
83610 1,030,080,000 398 1,030
83645 1,159,500,000 448 1,160
83661 607,251,000 234 607
83661 607,251,000 234 607
83672 1,573,380,000 607 1,573

More Counties in Idaho

If you want to search and find zip codes for different counties in Idaho, the list below contains links to each of the 49 Idaho 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.

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  • "List of 5 Zip Codes in Washington County, Idaho". Accessed on May 26, 2024.

  • "List of 5 Zip Codes in Washington County, Idaho"., Accessed 26 May, 2024

  • List of 5 Zip Codes in Washington County, Idaho. Retrieved from