Roy is a city in Weber County, Utah, United States, located on the west side of Interstate 15. The population estimate in 2019 was 39,613, a minimal increase of 5.8% from the official 2010 United States Census count of 36,884. It is part of the Ogden−Clearfield, Utah Metropolitan Statistical Area, and is considered a suburb of nearby Ogden, although some small businesses are present in Roy.

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