Founded in 1899, Chelan County is one of 39 counties in the state of Washington. Historically, Chelan County was formed from Okanogan and Kittitas Counties. The city of Wenatchee is the county seat. With FIPS code of 7, Chelan County has a population of 79,074 and area of 2,920 square miles (7,563 km2).
List of all cities in Chelan County, WA alphabetically
| City/Town | Postal Code | Area Code |
| Appleyard, WA | 98801 | 509 |
| Ardenvoir, WA | 98811 | 509 |
| Blewett, WA | 98826 | 509 |
| Cashmere, WA | 98815 | 509 |
| Chelan, WA | 98816 | 509 |
| Chelan Falls, WA | 98817 | 509 |
| Chumstick, WA | 98826 | 509 |
| Dryden, WA | 98821 | 509 |
| Entiat, WA | 98822 | 509 |
| Grant Road Addition, WA | 98801 | 509 |
| Holden Village, WA | 98816 | 509 |
| Kenroy, WA | 98801 | 509 |
| Lakeside, WA | 98816 | 509 |
| Leavenworth, WA | 98826 | 509 |
| Lucerne, WA | 98816 | 509 |
| Malaga, WA | 98828 | 509 |
| Manson, WA | 98831 | 509 |
| Merritt, WA | 98826 | 509 |
| Mission Square, WA | 98801 | 509 |
| Monitor, WA | 98836 | 509 |
| Pearcot, WA | 98801 | 509 |
| Peshastin, WA | 98847 | 509 |
| Plain, WA | 98826 | 509 |
| Stehekin, WA | 98852 | 509 |
| Telma, WA | 98826 | 509 |
| Wenatchee, WA | 98801 | 509 |
| 98807 | 509 | |
| Wenatchee Heights, WA | 98801 | 509 |
| West Wenatchee, WA | 98801 | 509 |
| Winton, WA | 98826 | 509 |