Grant County is a county located in the U.S. state of Washington. As of the 2010 census, the population was 89,120. The county seat is Ephrata and the largest city is Moses Lake. The county was named after U.S. President Ulysses S. Grant.
The Code of the West was first chronicled by the famous western writer Zane Grey. The men and women who came to this part of the country during the westward expansion of the United States were bound by an unwritten code of conduct.