 The population was 1,626 at the 2010 census, up from 1,124 at the 2000 census.Desert Aire is located near the southwest corner of Grant County at (46.685121, -119.924811), on the east bank of the Columbia River where it is part of Priest Rapids Lake.Washington State Route 243 forms the eastern edge of the CDP; the highway leads north to Mattawa and to Interstate 90 across the Columbia River from Vantage.