Census 2010: Washington › Counties

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Washington by county

Showing: State House District 26 counties Remove filter

County name 2010 total population 2000 total population Total change
since 2000
2010 White population 2010 White percentage White change
since 2000
King County 1,931,249 1,737,034 11.2% 1,325,845 119,801 16,147 282,075 14,486 76,096 96,799 172,378 1,758,871 54.9% 851,261 68.7% 6.2% 0.8% 14.6% 0.8% 3.9% 5.0% 8.9% 91.1% 44.5% 62,029 0.8% 27.6% 1.4% 50.2% 60.7% 71.1% 37.3% 81.0% 7.1% 7.3%
Pierce County 795,225 700,820 13.5% 590,040 53,998 10,879 47,501 10,588 27,872 54,347 72,849 722,376 50.0% 325,375 74.2% 6.8% 1.4% 6.0% 1.3% 3.5% 6.8% 9.2% 90.8% 41.7% 25,457 7.4% 10.8% 9.2% 33.5% 78.8% 80.9% 51.6% 88.6% 9.1% 7.8%
Thurston County 252,264 207,355 21.7% 207,856 6,752 3,515 13,037 1,961 5,648 13,495 17,787 234,477 37.9% 108,182 82.4% 2.7% 1.4% 5.2% 0.8% 2.2% 5.3% 7.1% 92.9% 30.4% 7,532 17.0% 38.3% 11.8% 42.6% 81.9% 61.1% 69.0% 89.4% 18.4% 7.0%
Kitsap County 251,133 231,969 8.3% 207,369 6,650 4,040 12,396 2,310 3,919 14,449 15,686 235,447 37.6% 107,367 82.6% 2.6% 1.6% 4.9% 0.9% 1.6% 5.8% 6.2% 93.8% 32.4% 10,147 6.1% 0.0% 7.4% 21.6% 28.0% 18.4% 34.1% 63.2% 5.9% 9.5%
Mason County 60,699 49,405 22.9% 52,281 659 2,239 731 227 2,049 2,513 4,844 55,855 32.1% 32,518 86.1% 1.1% 3.7% 1.2% 0.4% 3.4% 4.1% 8.0% 92.0% 25.6% 8,686 19.6% 12.3% 21.7% 40.8% 2.7% 97.8% 67.9% 105.2% 18.7% 26.7%
County name Total
households
Husband/wife
with children
Husband/wife
no children
Single male
with children
Single male
living alone
Single female
with children
Single female
living alone
King County 789,232 20.1% 25.2% 1.9% 14.6% 5.1% 16.4%
Pierce County 299,918 20.9% 28.1% 2.9% 11.6% 8.0% 13.5%
Thurston County 100,650 19.4% 30.5% 2.5% 10.9% 6.9% 15.0%
Kitsap County 97,220 20.2% 32.9% 2.4% 11.8% 6.1% 13.3%
Mason County 23,832 15.0% 37.5% 2.9% 12.7% 5.3% 12.7%
County name Family
households
Family
households %
Families
with kids
Families
with kids %
Non-family
households
Non-family
households %
Households
with seniors
Households
with seniors %
King County 461,510 58.5% 213,507 27.1% 327,722 41.5% 154,215 19.5%
Pierce County 202,174 67.4% 95,397 31.8% 97,744 32.6% 63,783 21.3%
Thurston County 66,161 65.7% 29,050 28.9% 34,489 34.3% 23,458 23.3%
Kitsap County 65,820 67.7% 27,921 28.7% 31,400 32.3% 23,828 24.5%
Mason County 16,057 67.4% 5,547 23.3% 7,775 32.6% 7,743 32.5%
County name Under 10 10-19 20-29 30-39 40-49 50-59 60-69 70-79 80 plus
King County 12.1% 11.8% 15.0% 15.6% 15.3% 14.0% 8.8% 4.2% 3.2%
Pierce County 13.7% 14.0% 14.4% 13.4% 14.5% 13.7% 8.8% 4.5% 2.9%
Thurston County 12.3% 13.4% 13.4% 13.0% 13.8% 14.8% 10.6% 5.1% 3.5%
Kitsap County 11.9% 13.2% 14.2% 11.4% 14.0% 15.4% 11.2% 5.1% 3.5%
Mason County 10.9% 11.9% 11.0% 11.2% 13.1% 16.1% 13.7% 8.0% 4.2%
County name Total population Median age Male total Male percentage Female total Female percentage
King County 1,931,249 37.1 962,090 49.8% 969,159 50.2%
Pierce County 795,225 35.9 392,934 49.4% 402,291 50.6%
Thurston County 252,264 38.5 122,952 48.7% 129,312 51.3%
Kitsap County 251,133 39.4 127,155 50.6% 123,978 49.4%
Mason County 60,699 44.4 31,400 51.7% 29,299 48.3%

* 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.

Credits: Ryan Pitts, Mike Tigas Special thanks: USA Today Census team