ZIP Code 99171
About Saint John
St. John or Saint John is a town in Whitman County, Washington, United States. The population was 599 at the 2020 census. St. John is the birthplace of the twentieth governor of Washington, Mike Lowry.
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Area Profile
US Census (ACS 5-year · Gazetteer)
991
population
$61,500
median household income
4
people / sq mi
$210,200
median home value
$893
median gross rent
51.6
median age
488
housing units
432
households
250.3
land area (sq mi)