South Lake Union demographics profile

StatisticSouth Lake UnionSeattleWashington
Population density (sq mi)9,3687,97897
Median age35.435.837.6
Male/Female ratio1.3:11.0:11.0:1
Married (15yrs & older)n/a45%56%
Families w/ Kids under 1821%41%44%
Speak Englishn/a78%81%
Speak Spanishn/a4%8%
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Did you know?

  • The population density in South Lake Union is 17% higher than Seattle.
  • The median age in South Lake Union is 1% lower than Seattle.
  • In South Lake Union 66.83% of the population is White.
  • In South Lake Union 5.77% of the population is Black or African American.
  • In South Lake Union 16.31% of the population is Asian.

Compare Seattle, WA Demographics To Other Cities

South Lake Union population breakdown by race

RaceSouth Lake UnionSeattleWashington
Black or African American5.77%7.10%3.63%
American Indian0.71%0.61%1.33%
Native Hawaiian0.15%0.40%0.63%
Mixed race9.39%6.47%5.34%
Other race0.84%2.10%3.92%
In South Lake Union, 6.6% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

South Lake Union age breakdown

Marital status

Age of children in married couples

Source: The South Lake Union, Seattle, WA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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