Kittitas County, Washington
Kittitas County: county in the state of Washington, United States
About
Kittitas County is a county located in the U.S. state of Washington. As of the 2010 census, the population was 40,915 and a population density of 7 people per km². After 10 years in 2020 county had an estimated population of 49,204 inhabitants. Its county seat is Ellensburg. The county was created 143 years ago in 1882.
County Snapshot
Kittitas County at a glance
Kittitas County currently has 5 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
5
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Washington counties
39
Open related pagesLargest city
EllensburgPopulation 21,576
Top linked places
Quick Facts about Kittitas County
| Population | 49,204 (2020) |
| Country | United States of America |
| State | Washington (United States) |
| Area | 6043 km2 |
| Water as percent of area | 1.5% |
| Land as percent of area | 98.5% |
| Latitude & Longitude | 47.1242,-120.6797 |
| Altitude | 2,116 feet / 645 meters |
| Capital | Ellensburg |
| Establishment | January 01, 1883 |
| Time Zone | Pacific Time Zone |
| Local time | 20:45:31 (17th April 2026) |
| Density | 8 Pop. per km² as of 2020 |
| Population growth | 16.85% (2010-2020) |
| Weather | 32℉ Partly Cloudy 7-days weather |
Geography
Kittitas County is located at 47°7'27"N 120°40'47"W (47.1241700, -120.6797200). It has 6 neighbors: Chelan County, Douglas County, Grant County, King County, Pierce County and Yakima County.
Kittitas County map
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The largest city of Kittitas County is Ellensburg with a population of 21,576. Other cities include, Cle Elum population 2,098, Kittitas population 1,521, Roslyn population 972 and South Cle Elum population 565. See all Kittitas County cities & populated places.
Kittitas County Populated Places
Cities, towns, neighborhoods & other populated places in Kittitas County.
| City Name | Population | Title |
|---|---|---|
| Ellensburg | 21,576 | City in Kittitas County, Washington, United States |
| Cle Elum | 2,098 | City in Kittitas County, Washington, United States |
| Kittitas | 1,521 | City in Kittitas County, Washington, United States |
| Roslyn | 972 | City in Kittitas County, Washington, USA |
| South Cle Elum | 565 | Town of the United States |
Weather
Partly cloudy, with a low around 32.
7-Day ForecastOfficial website of Kittitas County
Official Website- Ellensburg
Demographics
The population of Kittitas County increased by 16.85% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 40,915 | - | census |
| 2011 | 41,554 | 1.54% | estimation process |
| 2012 | 41,624 | 0.17% | estimation process |
| 2013 | 41,828 | 0.49% | estimation process |
| 2014 | 42,596 | 1.8% | estimation process |
| 2015 | 43,095 | 1.16% | estimation process |
| 2016 | 44,922 | 4.07% | estimation process |
| 2017 | 46,176 | 2.72% | estimation process |
| 2018 | 47,358 | 2.5% | estimation process |
| 2019 | 47,935 | 1.2% | estimation process |
| 2020 | 49,204 | 2.58% | estimation process |
People born in Kittitas County (2)
People born in Kittitas County, including geologist, paleontologist, botanist Raymond Cecil Moore, Racing cyclist Morgan Schmitt, .
More notable people
Washington Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| King County | 2,274,315 | County in the state of Washington, United States |
| Pierce County | 913,890 | County in the state of Washington, United States |
| Snohomish County | 830,393 | County in the state of Washington, United States |
| Seattle | 769,714 | The eighteenth most populous city in the United States and the center of the Seattle metropolitan area. |
| Spokane County | 528,225 | County in the state of Washington, United States |
| Clark County | 496,865 | County in Washington, United States |
| Thurston County | 294,074 | County in the state of Washington, United States |
| Kitsap County | 272,787 | County in the state of Washington, United States |
| Yakima County | 251,879 | County in the state of Washington, United States |
| Whatcom County | 231,016 | County in the state of Washington, United States |
| Spokane | 222,050 | The second most populous city in Washington. |
| Tacoma | 219,945 | The third most populous city in Washington. |
| Benton County | 206,426 | County in Arkansas, United States |
| Vancouver | 186,192 | The third most populous city in Washington. |
| Bellevue | 148,073 | The most populous city in Washington. |
| Skagit County | 130,789 | County in the state of Washington, United States |