The Planning and Development Services Department generates monthly population estimates and future population projections based on recent development activity. These estimates are adjusted every ten years as decennial Census figures are released.
- As of September 2018, Round Rock’s estimated population is 113,221 (within the city limits, i.e. not including the MUDs).
- City Profile of select tables from the 2010 Census and 2016 (1-year and 5-year) American Community Survey (pdf)
- City-generated Population projections 2010-2030 (pdf) last updated April 2018