2017 U.S. Census Bureau metropolitan population estimates –Release Date: March 22, 2018 U.S. Census Bureau metropolitan population estimates July 1, 2017 –Release Date: March 22, 2018 U.S. Census Bureau metropolitan population estimates July 1, 2016 –Release Date: March 23, 2017 Source: U.S. Census Bureau Maricopa County, Ariz., replaced Harris County, Texas, as the county with … Continue reading U.S. Census Bureau metropolitan population estimates July 1, 2016 –Release Date: March 23, 2017