San Antonio Population 2024 Projection. Although san antonio was one of two big cities nationwide to post population growth, smaller texas cities also saw gains as texas as a whole leads the nation in adding new residents. By numeric growth in the short term, san antonio still makes the list of the top 10 growing metro areas in the country, coming in at no.

Among the country’s 50 largest metro areas, austin notched the biggest jump in population from 2010 to 2020 (33 percent), whereas san antonio landed at no. City in terms of numeric population growth between 2021 and 2022, according to new data from the u.s.