- Population
The population count of Houston Metro Area (TX) was 6,779,104 in 2018. The population count of Phoenix Metro Area (AZ) was 4,673,634 in 2018. The population count of San Diego Metro Area (CA) was 3,302,833 in 2018.
Population
Population Change
Above charts are based on data from the U.S. Census American Community Survey | ODN Dataset | API -