Houston Population 2024 By County In America. Houston county, texas's estimated 2024 population is 22,189 with a growth rate of 0.56% in the past year according to the most recent united states census data. The increase equates to one new resident every 3.8.

In 2023, houston’s population grew by over 11,500 residents, reaching a total of 2.3 million. Metro houston added 139,789 residents in ’23, a 1.9 percent increase from ’22, according to data released today by the u.s.