Population Of Houston Tx 2024. The current population of south houston, texas is 15,694 based on our projections of the latest us census estimates (released may 2024). The houston population in 2024 is estimated to be 2.31 million, covering the area of 637 sq miles.

Houston was recognized as the second fastest growing u.s. Houston has a 2024 population of 2,319,119.