Cedar Valley is a city in Logan County, Oklahoma, United States. The population was 405 as of the 2020 United States census, up about 40.6% from the 288 reported at the 2010 census, and up nearly seven times the figure of 58 reported in 2000. It is part of the Oklahoma City Metropolitan Statistical Area. It is primarily a bedroom community, since more than 90 percent of the employed inhabitants commute to work in other towns.