ZIP Code 99170
About Rosalia
Rosalia is a town in Whitman County, Washington, United States. It is an agricultural community in the Palouse region, at an elevation of 2,238 feet (682 m) above sea level. Its population was 598 at the 2020 census.
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Area Profile
US Census (ACS 5-year · Gazetteer)
1,015
population
$75,208
median household income
6
people / sq mi
$216,100
median home value
$722
median gross rent
46.2
median age
475
housing units
411
households
173.1
land area (sq mi)