Texas Population 2024 By City Size. The population of texas in 2023 was 30,503,301, a 1.58% increase from 2022. The most populated counties in texas are harris county with 4,835,125, dallas.
United nations population projections are also included through the year 2035. Texas has the second largest population in usa with population over 29 million, which accounts for 6.8% of the us population.