Kittitas County Population 2017

Kittitas County's estimated population is 44,866 with a growth rate of 4.20% 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
201644,8661,8094.20%
201543,0575391.27%
201442,5186651.59%
201341,8532230.54%
201241,630530.13%
201141,5775671.38%
201041,01014,28553.45%
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
White39,63388.34%
Two or More Races1,3422.99%
Asian9622.14%
American Indian and Alaska Native5321.19%
Black or African American5001.11%
Native Hawaiian and Other Pacific Islander880.20%

Kittitas County Population Pyramid

0k1k2k3k4kKittitas County Male Population0k1k2k3k4kKittitas County Female Population

Population of Cities in Kittitas County

City 2010 Census 2016 Estimated Growth Growth Rate
Ellensburg183831978614037.63%
Cle Elum18721949774.11%
Kittitas13581439815.96%
Roslyn893927343.81%
South Cle Elum530547173.21%
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