Census 2010: Washington › Kittitas County

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

Kittitas County

Square miles: 2,332.9 Population per sq. mile: 17.8

  • 2010 population: 40,915
  • 2000 population: 33,362
  • Total change: 7,553 (22.6%)

See all Washington counties

2010 population by race/ethnicity

Diversity Index: 26.1%
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: 31.9 years old

Kittitas County population

Race/ethnicity2010 population2010 percentage2000 population2000 percentage2000-2010 change
White36,54489.3%30,61791.8%19.4%
Black3640.9%2360.7%54.2%
American Indian/Alaska Native3941.0%3030.9%30.0%
Asian8102.0%7312.2%10.8%
Native Hawaiian/Pacific Islander570.1%490.1%16.3%
Other race1,5003.7%7682.3%95.3%
Two or more races1,2463.0%6582.0%89.4%
Total40,915100%33,362100%22.6%
*Hispanic origin3,1217.6%1,6685.0%87.1%

*Residents of Hispanic origin can be of any race.

Ages 0-17

Population: 7,480 (18.3%)

Diversity Index: 45.3%

Ages 18+

Population: 33,431 (81.7%)

Diversity Index: 27.7%

Race/ethnicityAges 0-17% of 0-17 totalAges 18+% of 18+ total
White6,35084.9%30,19890.3%
Black540.7%3100.9%
American Indian/Alaska Native851.1%3090.9%
Asian1081.4%7022.1%
Native Hawaiian/Pacific Islander150.2%420.1%
Other race4856.5%1,0153.0%
Two or more races3915.2%8552.6%
Total7,480100%33,431100%
*Hispanic origin1,08014.4%2,0416.1%

*Residents of Hispanic origin can be of any race.

Gender
Male2010
Population20,793 (50.8%)
Median age30.5
Female2010
Population20,122 (49.2%)
Median age33.2
Age breakdown by gender
AgePopulation% of totalMale% of male totalFemale% of female total
Under 104,07010.0%2,0609.9%2,01010.0%
10 to 19 years6,03014.7%3,03014.6%2,99014.9%
20 to 29 years9,58023.4%5,18024.9%4,40021.9%
30 to 39 years4,0209.8%2,0309.8%1,9909.9%
40 to 49 years4,50011.0%2,26010.9%2,24011.1%
50 to 59 years5,20012.7%2,62012.6%2,58012.8%
60 to 69 years4,10010.0%2,0509.9%2,05010.2%
70 to 79 years2,0805.1%1,0405.0%1,0405.2%
80 and older1,3203.2%5152.5%8094.0%
Total40,915100%20,793100%20,122100%

*Residents of Hispanic origin can be of any race.

Housing Units
Owner-occupied2010
Population23,281
Avg. household size2.4
Renter-occupied2010
Population15,217
Avg. household size2.2
Vacancies
Vacancy Rate2010
Owner-occupied properties3.2%
Renter-occupied properties6.4%
Overall vacancy rate24.2%
Housing Units2010% of total
Occupied16,59575.8%
Vacant5,305 24.2%
For rent4752.2%
Rented, but unoccupied380.2%
For sale3151.4%
Sold, but unoccupied340.2%
Seasonal use only3,86017.6%
Other vacant units5832.7%
Total21,900100%
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Credits: Ryan Pitts, Mike Tigas Special thanks: USA Today Census team