Valley Brook is a town in Oklahoma County, Oklahoma, United States, and is part of the Oklahoma City Metropolitan Area. The population was 765 at the 2010 census. The origins of Valley Brook were in oil exploration and extraction from the Oklahoma City Field of the 1930s, with the first residence in the town being "oil-camp housing" for workers. On Sept…Valley Brook is a town in Oklahoma County, Oklahoma, United States, and is part of the Oklahoma City Metropolitan Area. The population was 765 at the 2010 census. The origins of Valley Brook were in oil exploration and extraction from the Oklahoma City Field of the 1930s, with the first residence in the town being "oil-camp housing" for workers. On September 14, 2011, Valley Brook Police Chief Melvin Martin Fisher Jr., was arrested for drug trafficking due to his allegedly having possession of methamphetamine and marijuana. He was fired on May 22, 2012. In November 2012, he was found guilty and sentenced to ten years, although the sentence was suspended.