Basic information

| Item | Details | |---|---| | Official Name | State of Washington | | Common Name | Washington | | Native Name(s) | English: Washington; commonly associated with many Indigenous place names and languages across the state, including Coast Salish, Sahaptin, Chinookan, Interior Salish, and others | | Nicknames | The Evergreen State | | Motto | *Al-ki* (commonly interpreted as “by and by”) | | Geographic Level | State | | Country | United States | | State/Province | Washington | | Capital | Olympia | | Government Type | U.S. state government with executive, legislative, and judicial branches | | Date Founded | November 11, 1889 (admitted as the 42nd state) | | Time Zone | Pacific Time Zone (UTC−8 standard; UTC−7 daylight saving time in most areas) | | Latitude | Approx. 47.5° N | | Longitude | Approx. 120.5° W | | Elevation | Mean elevation commonly cited at about 1,700 ft (about 520 m); varies from sea level to over 14,000 ft | | Total Area | About 71,298 sq mi (184,827 sq km) | | Population | About 7.7 million (2020 U.S. Census: 7,705,281) | | Population Density | About 108 people per sq mi | | ZIP/Postal Codes | 98001–99403 | | Area Codes | 206, 253, 360, 425, 509, 564 | | Official Languages | No official language at the state level; English is the dominant language in public life | | Currency | United States dollar (USD) | | Demonym | Washingtonian |