There are 39 counties

County (United States)

In the United States, a county is a geographic subdivision of a state , usually assigned some governmental authority. The term "county" is used in 48 of the 50 states; Louisiana is divided into parishes and Alaska into boroughs. Parishes and boroughs are called "county-equivalents" by the U.S...

 in the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Washington. Washington was carved out of the western part of Washington Territory and admitted to the Union as the 42nd state in 1889. The first counties were created from unorganized territory in 1845.

Washington's postal abbreviation is WA and its FIPS state code is 53.

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