Blanchard is an unincorporated census-designated place in Bonner County, Idaho, United States. Blanchard is located on Idaho State Highway 41 6.5 miles northwest of Spirit Lake. Blanchard has a post office with ZIP code 83804. As of the 2010 census, its population was 261.A post office called White was established in 1903, but in 1908, the name was changed to Blanchard. The present name honors John Blanchard, a pioneer settler.