September 2024 population estimate: 134,858

The Planning and Development Services Department generates monthly population estimates and future population projections based on recent development activity. The population estimate is updated monthly to reflect completed single-family units, and completed multifamily units are added quarterly in January, April, July and October. Projections are adjusted every ten years as decennial Census figures are released.

• As of September 2024, Round Rock's estimated population is 134,858 (within the city limits).