Washington (state) day look like night. The United States Census Bureau estimates Washington's population was 7,288,000 on July 1, 2016, an 8.4% increase since the 2010 Census. In 2015, the state ranked 13th overall in population, and was the third most populous, after California and Texas, west of the Mississippi River. Washington has the largest Pacific Northwest population, followed by Oregon, then Idaho. The Washington state Office of Financial Management pegged the state population at 7,310,300 as of April 1, 2017. As of the 2010 Census, the population of Washington was 6,724,540. The Seattle-Tacoma-Bellevue Metropolitan Area population was 3,439,809 in the 2010
Washington (state) The state gem is petrified wood. The state fossil is the Columbian mammoth. The state marine mammal is the orca. The state land mammal is the Olympic marmot. The state seal (featured in the state flag as well) was inspired by the unfinished portrait by Gilbert Stuart. Washington (state) Washington (), officially the State of Washington, is a state in the Pacific Northwest region of the United States. Named for George Washington, the first president of the United States, the state was made out of the western part of the Washington Territory, which was ceded by Britain in 1846 in