Demographics of Seattle

The population of the city of Seattle, in the U.S. state of Washington, was 737,015 in the 2020 United States census. Only about a fifth of the households include minor children, and more people live alone here than any other U.S. city besides San Francisco. Seattle's population is mostly white, with a relatively large minority of Asians. It has the largest African American population in the American Pacific Northwest and a rapidly growing Latino population. About half the population are Christians, most of whom are Protestants, and about a third are unaffiliated.

As of a 2019 estimate, less than 30% of adults in Seattle were born in Washington state, with the majority born in other parts of the United States. Approximately 20% were born abroad.