Kittitas County Population 2018

Kittitas County's estimated population is 46,205 with a growth rate of 2.84% in the past year according to the most recent United States census data. Kittitas County is the 23rd largest county in Washington.

Year Population Growth Growth Rate
201746,2051,2772.84%
201644,9281,8374.26%
201543,0915091.20%
201442,5827571.81%
201341,8252140.51%
201241,611720.17%
201141,5395541.35%
201040,98514,26053.36%
199026,7251,8487.43%
198024,877-162-0.65%
197025,0394,57222.34%
196020,467-1,768-7.95%
195022,2352,0059.91%
194020,2302,07611.44%
193018,1544172.35%
192017,737-824-4.44%
191018,5618,85791.27%
19009,70492710.56%
18908,7770.00%

Kittitas County Population Growth

Population Data via

Kittitas County Race Data

Race Population Percentage
White39,63385.78%
Two or More Races1,3422.90%
Asian9622.08%
American Indian and Alaska Native5321.15%
Black or African American5001.08%
Native Hawaiian and Other Pacific Islander880.19%

Kittitas County Population Pyramid

0k1k2k3k4k Male Population0k1k2k3k4k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990