Demographic and Census Information (original) (raw)
City-generated population estimates
The Planning and Development Services Department generates monthly population estimates based on housing units, occupancy, and household size using the most recent Decennial Census as a baseline.
- As of November 2024, Round Rock’s estimated population is 136,392 (within the city limits).
| | 2024 | 2023 | 2022 | 2021 | 2020 | | | ------------- | -------- | -------- | -------- | -------- | ------- | | January* | 131,780 | 128,065 | 124,256 | 122,557 | | | February | 132,057 | 128,193 | 124,285 | 122,586 | | | March | 132,359 | 128,356 | 124,361 | 122,625 | | | April* | 132,927 | 128,957 | 124,614 | 122,827 | 119,468 | | May | 133,142 | 129,141 | 124,690 | 122,898 | 119,559 | | June | 133,335 | 129,247 | 124,756 | 122,930 | 119,670 | | July* | 134,411 | 130,293 | 125,076 | 123,391 | 120,218 | | August | 134,663 | 130,516 | 125,182 | 123,443 | 120,327 | | September | 134,858 | 130,662 | 125,323 | 123,497 | 120,448 | | October* | 136,105 | 130,938 | 125,772 | 124,034 | 121,980 | | November | 136,392 | 131,052 | 125,943 | 124,086 | 122,061 | | December | | 131,235 | 126,205 | 124,128 | 122,145 |
*Estimates reflecting newly completed single-family units are added monthly. Estimates reflecting newly completed multifamily units are added quarterly in January, April, July, and October.
Updated city estimates: Upon release of the official April 1, 2020 Census population, the city recalculated its population estimates for April 2020-August 2021 using the 2020 Census figure as a baseline. Previous estimates for those dates had been based on the 2010 Census because the 2020 Census had not yet been released.
City-generated population projections
The Planning and Development Services Department develops 20-year population projections into the future using the most recent Census as a baseline.
A breakdown of projected population by year with methodology and assumptions is outlined in the population projections report.
- 2020-2040 Population Projections (pdf) revised 4/1/24
- 2020-2040 Population Projections Report (pdf) released 8/23/22
US Census Bureau
American Community Survey (ACS)
2020 Census
On August 12, 2021, the US Census Bureau released redistricting data files to states, which included the 2020 population count. According to the Census**,** as of April 1, 2020 Round Rock’s population was 119,468 (within the city limits).
- 2020 Census Release Report (pdf) 10/1/21
This report provides 2020 Census data compared to 2010 Census data for Round Rock. The Census establishes a baseline for the city’s population estimates and projections.
Data highlights from 2020 Census release
