Williamson County Texas Population 2024

Williamson County Texas Population 2024. Williamson has a 2024 population of 7,566. Quickfacts provides statistics for all states and counties, and for cities and towns with a population of 5,000 or more.

Williamson county, texas’s estimated 2024 population is 722,109 with a growth rate of 3.57% in the past year according to the most recent united states census data. Williamson county, texas has 1,115.8 square miles of land area and is the 47th largest county in texas by total area.