City of Mesa Populationcitydata.mesaaz.gov | Last Updated 13 Oct 2020
2010-2019 based on US Census American Community Survey (ACS) 1-year estimates available at https://data.mesaaz.gov/d/n5gn-m5c3. Population estimates for 2020-2025 based on Maricopa County Association of Governments (MAG) estimates found at https://www.azcommerce.com/oeo/population/population-projections/. IMPORTANT NOTE: US Census population estimates for 2019 exceeded MAG projections for 2020. Following the FBI's formula, the 2020 projection is calculated by taking the 2019 US Census population estimate and adding the average growth rate since 2010 to that number (517,981 + (Average Estimated Growth Rate x 517,981).