Kopiah was a town in Lewis County, Washington located 8 miles southeast of Centralia. The 1910 census showed 298 individuals, but the 1930 census showed only 115.

Kopiah, Washington
Kopiah is located in Washington (state)
Kopiah
Kopiah
Kopiah is located in the United States
Kopiah
Kopiah
Coordinates: 46°42′21″N 122°48′28″W / 46.70583°N 122.80778°W / 46.70583; -122.80778
CountryUnited States
StateWashington
CountyLewis
Established1906
Population
 (1930)
 • Total115
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)

A post office operated from 1906 to 1928.