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| County : | Kittitas County |
| State : | Washington (WA) |
| Land Area : | 2,297.26 sq mi |
| Water Area : | 35.66 sq mi |
| Latitude : | 47.1244443 |
| Longitude : | -120.6767136 |
| Population (2010): | 40,915 |
| Population Estimate (2012) : | 40,954 |
| Population Density : | 17.81/sq mi |
| Housing Units (2012) : | 21,900 |
| Median Household Income (2012) : | $41,739 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $62,487 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $252,500 (Washington : $272,900, USA : $181,400) |
Kittitas County Cities / Towns
| Cle Elum City (1,872) | Easton (478) | Ellensburg City (18,174) |
| Kittitas City (1,381) | Ronald (308) | Roslyn City (893) |
| Snoqualmie Pass (311) | South Cle Elum Town (532) | Thorp (240) |
| Vantage (74) |
Kittitas County Zip Codes
| 98068 (403) | 98828 (2,146) | 98901 (30,169) |
| 98922 (5,468) | 98925 (689) | 98926 (30,239) |
| 98934 (1,117) | 98940 (760) | 98941 (919) |
| 98943 (660) | 98946 (495) | 98950 (177) |