Census 2010: Washington › Snohomish County

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(Mapping 100 largest census tracts, by 2010 population.)

Snohomish County

Square miles: 2,196.3 Population per sq. mile: 341.8

  • 2010 population: 713,335
  • 2000 population: 606,024
  • Total change: 107,311 (17.7%)

See all Washington counties

2010 population by race/ethnicity

Diversity Index: 43.7%
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: 37.1 years old

Snohomish County population

Race/ethnicity2010 population2010 percentage2000 population2000 percentage2000-2010 change
White559,01178.4%518,94885.6%7.7%
Black18,1682.5%10,1131.7%79.6%
American Indian/Alaska Native9,7931.4%8,2501.4%18.7%
Asian63,3858.9%35,0305.8%80.9%
Native Hawaiian/Pacific Islander3,1350.4%1,7050.3%83.9%
Other race27,1213.8%11,6291.9%133.2%
Two or more races32,7224.6%20,3493.4%60.8%
Total713,335100%606,024100%17.7%
*Hispanic origin64,2499.0%28,5904.7%124.7%

*Residents of Hispanic origin can be of any race.

Ages 0-17

Population: 174,000 (24.4%)

Diversity Index: 60.9%

Ages 18+

Population: 539,168 (75.6%)

Diversity Index: 42.8%

Race/ethnicityAges 0-17% of 0-17 totalAges 18+% of 18+ total
White124,00071.3%435,34080.7%
Black5,1002.9%13,0722.4%
American Indian/Alaska Native2,8901.7%6,9041.3%
Asian14,9008.6%48,4559.0%
Native Hawaiian/Pacific Islander9290.5%2,2060.4%
Other race9,7405.6%17,3813.2%
Two or more races16,9009.7%15,8102.9%
Total174,000100%539,168100%
*Hispanic origin25,30014.5%38,9747.2%

*Residents of Hispanic origin can be of any race.

Gender
Male2010
Population356,958 (50.0%)
Median age36.1
Female2010
Population356,377 (50.0%)
Median age38.1
Age breakdown by gender
AgePopulation% of totalMale% of male totalFemale% of female total
Under 1094,50013.2%48,20013.5%46,10012.9%
10 to 19 years98,30013.8%50,60014.2%47,70013.4%
20 to 29 years94,20013.2%48,80013.7%45,50012.8%
30 to 39 years100,00014.0%50,90014.3%49,00013.7%
40 to 49 years112,00015.7%56,70015.9%55,30015.5%
50 to 59 years104,00014.6%51,80014.5%51,90014.6%
60 to 69 years61,4008.6%29,6008.3%31,8008.9%
70 to 79 years29,3004.1%13,1003.7%16,2004.5%
80 and older19,8002.8%7,1802.0%12,6003.5%
Total713,335100%356,958100%356,377100%

*Residents of Hispanic origin can be of any race.

Housing Units
Owner-occupied2010
Population486,719
Avg. household size2.7
Renter-occupied2010
Population216,219
Avg. household size2.4
Vacancies
Vacancy Rate2010
Owner-occupied properties2.4%
Renter-occupied properties6%
Overall vacancy rate6.4%
Housing Units2010% of total
Occupied268,32593.6%
Vacant18,334 6.4%
For rent5,6722.0%
Rented, but unoccupied4070.1%
For sale4,4231.5%
Sold, but unoccupied6950.2%
Seasonal use only3,4831.2%
Other vacant units3,6541.3%
Total286,659100%
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Credits: Ryan Pitts, Mike Tigas Special thanks: USA Today Census team