ZIP Code 99174
About Steptoe
Steptoe is a small unincorporated rural town in Whitman County, Washington, United States. The ZIP Code for Steptoe is 99111.
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Area Profile
US Census (ACS 5-year · Gazetteer)
70
population
$48,929
median household income
2,593
people / sq mi
$225,000
median home value
44.5
median age
38
housing units
28
households
0.0
land area (sq mi)