Crystal Bay is a census-designated place (CDP) in Washoe County, Nevada on the north shore of Lake Tahoe. The population was 305 at the 2010 census. It is part of the Reno−Sparks Metropolitan Statistical Area. Prior to 2010, it was listed by the U.S. Census Bureau within the Incline Village–Crystal Bay CDP. Using only the above description and what you know about the world, "The population of Crystal Bay has declined." is definitely correct, incorrect, or inconclusive? 