Texas Population 2024 By County. Harris county added the most new. From 2000 to 2022, the population of 11 of texas’s 254 counties more than doubled, according to july 1, 2022 population estimates released today.

Explore our new interactive population density maps for msa, county, tract, block group, place, school district, and zcta geographies in texas. The two most populated counties in texas are harris and dallas counties, with respective populations of 4,652,980 and 2,618,148.