May 2024 population estimate: 133,142

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 May 2024, Round Rock’s estimated population is 133,142 (within the city limits).

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