Washington (state)
"Washington state" and "State of Washington" redirect here. For other uses, see Washington (disambiguation). State of Washington Flag Seal Nickname(s): "The Evergreen State" (unofficial) [1] Motto(s): Al-ki or Alki, "bye and bye" in Chinook Jargon (unofficial) [1] State song(s): " Washington, My Home " Official language None (de jure) English (de facto) Demonym Washingtonian Capital Olympia Largest city Seattle Largest metro Greater Seattle Area Ranked 18th • Total 71,362 sq mi (184,827 km 2 ) • Width 360 miles (580 km) • Length 240 miles (400 km) • % water 6.6 • Latitude 45° 33′ N to 49° N • Longitude 116° 55′ W to 124° 46′ W Population Ranked 13th • Total 7,405,743 (2017 est.) [2] • Density 103/sq mi (39.6/km 2 ) Ranked 25th • Median household income $67,243 (2015) [3] (9th [3] ) Elevation • Highest point Mount Rainier 14,411 ft (4,392 m) • Mean 1,700 ft (520 m) • Lowest point Pacific Ocean Sea level Before statehood...