Layton is a city in Davis County, Utah, United States. It is part of the Ogden-Clearfield Metropolitan Statistical Area. As of the 2020 censu…Layton is a city in Davis County, Utah, United States. It is part of the Ogden-Clearfield Metropolitan Statistical Area. As of the 2020 census, the city had a population of 81,773, with 2022 Census Bureau estimates showing an increase to 82,601. 2024 estimates place Layton's population at 87,392. Layton is the most populous city in Davis County and the ninth most populous in Utah.