'Riverside, WA' definitions:

Riverside, WA -- U.S. town in Washington

From: Gazetteer 2000
Name :
Riverside, WA -- U.S. town in Washington
Population (2000) :
348
Housing Units (2000) :
153
Land area (2000) :
0.893474 sq. miles (2.314088 sq. km)
Water area (2000) :
0.078962 sq. miles (0.204510 sq. km)
Total area (2000) :
0.972436 sq. miles (2.518598 sq. km)
FIPS code :
58795
Located within :
Washington (WA), FIPS 53
Location :
48.502830 N, 119.508718 W
ZIP Codes (1990) :
98849
Note :
some ZIP codes may be omitted esp. for suburbs.