Othello is a city in Adams County, Washington, United States. The population was 5,847 at the 2000 census and grew 25.9% over the next decade to 7,364 at the 2010 census. Take a look below for 15 interesting and awesome facts about Othello, Washington, United States. 1. In the 2018 census, it was 8,099. Othello…