Census 2010: Washington › Seattle

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Seattle

Square miles: 142.7 Population per sq. mile: 7,250.9

  • 2010 population: 608,660
  • 2000 population: 563,374
  • Total change: 45,286 (8.0%)

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2010 population by race/ethnicity

Diversity Index: 53.2%
The USA TODAY Diversity Index represents the probability that two people from this area will have different ethnic backgrounds. A higher number reflects a more ethnically diverse population.

Age breakdown Median: 36.1 years old

Seattle population

Race/ethnicity2010 population2010 percentage2000 population2000 percentage2000-2010 change
White422,87069.5%394,88970.1%7.1%
Black48,3167.9%47,5418.4%1.6%
American Indian/Alaska Native4,8090.8%5,6591.0%-15.0%
Asian84,21513.8%73,91013.1%13.9%
Native Hawaiian/Pacific Islander2,3510.4%2,8040.5%-16.2%
Other race14,8522.4%13,4232.4%10.6%
Two or more races31,2475.1%25,1484.5%24.3%
Total608,660100%563,374100%8.0%
*Hispanic origin40,3296.6%29,7195.3%35.7%

*Residents of Hispanic origin can be of any race.

Ages 0-17

Population: 93,513 (15.4%)

Diversity Index: 70.6%

Ages 18+

Population: 515,147 (84.6%)

Diversity Index: 52.1%

Race/ethnicityAges 0-17% of 0-17 totalAges 18+% of 18+ total
White53,67557.4%369,19571.7%
Black11,64212.4%36,6747.1%
American Indian/Alaska Native7600.8%4,0490.8%
Asian11,98812.8%72,22714.0%
Native Hawaiian/Pacific Islander5450.6%1,8060.4%
Other race3,5593.8%11,2932.2%
Two or more races11,34412.1%19,9033.9%
Total93,513100%515,147100%
*Hispanic origin9,94310.6%30,3865.9%

*Residents of Hispanic origin can be of any race.

Gender
Male2010
Population304,030 (50.0%)
Median age35.9
Female2010
Population304,630 (50.0%)
Median age36.4
Age breakdown by gender
AgePopulation% of totalMale% of male totalFemale% of female total
Under 1057,9799.5%29,5009.7%28,4799.3%
10 to 19 years52,6768.7%25,9808.5%26,6968.8%
20 to 29 years122,30620.1%60,93320.0%61,37320.1%
30 to 39 years111,60418.3%57,97419.1%53,63017.6%
40 to 49 years88,19214.5%47,10115.5%41,09113.5%
50 to 59 years78,34512.9%39,31612.9%39,02912.8%
60 to 69 years52,1758.6%25,2708.3%26,9058.8%
70 to 79 years23,4773.9%10,4513.4%13,0264.3%
80 and older21,9063.6%7,5052.5%14,4014.7%
Total608,660100%304,030100%304,630100%

*Residents of Hispanic origin can be of any race.

Household types
Families 2010
Avg. size 2.9
Households 121,690 (42.9%)
Non-families 2010
Avg. size 2.1
Households 161,820 (57.1%)
Family composition
Households ‡ 2010 % of households % of families
Husband-wife family, without children 55,487 19.6% 45.6%
Husband-wife family, with children under 18 years 37,035 13.1% n/a
Single male, no children (with other family) 4,980 1.8% 4.1%
Single male, with children under 18 years 3,539 1.2% n/a
Single female, no children (with other family) 9,985 3.5% 8.2%
Single female, with children under 18 years 10,664 3.8% n/a
Single male living alone 56,202 19.8% n/a
Single female living alone 60,852 21.5% n/a
Other non-family households (ex.: roommates) 44,766 15.8% n/a
Total 283,510 100% n/a
Family households 121,690 42.9% 100%
Families with children under 18 years 51,238 18.1% n/a
Non-family households 161,820 57.1% n/a
All households with individuals 65 years and over 49,872 17.6% n/a

‡ United States Census Bureau definitions:

Household — A household includes all of the people who occupy a housing unit. People not living in households are classified as living in group quarters. (Ex: college residence halls, skilled-nursing facilities, military barracks, …)
Family — A family includes a householder and one or more people living in the same household who are related to the householder by birth, marriage, or adoption.
Non-family Household — A householder living alone or with nonrelatives only.

Note: Family households and husband-wife-couple families do not include same-sex married couples even if the marriage was performed in a state issuing marriage certificates for same-sex couples. Same-sex-couple households are included in the family households category if there is at least one additional person related to the householder by birth or adoption. Same-sex-couple households with no relatives of the householder present are tabulated in nonfamily households.

Housing Units
Owner-occupied2010
Population315,137
Avg. household size2.3
Renter-occupied2010
Population268,598
Avg. household size1.8
Vacancies
Vacancy Rate2010
Owner-occupied properties3.1%
Renter-occupied properties7.1%
Overall vacancy rate8.1%
Housing Units2010% of total
Occupied283,51091.9%
Vacant25,006 8.1%
For rent11,2253.6%
Rented, but unoccupied8420.3%
For sale4,3501.4%
Sold, but unoccupied9300.3%
Seasonal use only3,3221.1%
Other vacant units4,3371.4%
Total308,516100%
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Credits: Ryan Pitts, Mike Tigas Special thanks: USA Today Census team