Austin-Round Rock-San Marcos, TX Metro Area Demographics
Austin-Round Rock-San Marcos, TX Metro Area is the 28th most populous of 935 metro areas in the United States, with 2,283,371 residents across 4,220 square miles. That is about 541 people per square mile.
At the 2020 census
| Population | 2,283,371 |
|---|---|
| Land area | 4,220 sq mi |
| Density | 541 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Austin-Round Rock-San Marcos, TX Metro Area compares to the US
We're computing this metro area's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Austin-Round Rock-San Marcos, TX Metro Area
Measured from the metro area's main population center using 2020 census blocks.
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Counties in the Austin-Round Rock-San Marcos, TX Metro Area area
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Travis County, TX | 1,290,188 | 994.1 | 1,298 |
| County Williamson | 609,017 | 1,118.3 | 545 |
| Hays County, TX | 241,067 | 676.8 | 356 |
| Bastrop County, TX | 97,216 | 888.2 | 109 |
| County Caldwell | 45,883 | 545.3 | 84 |
Related places
About this page
This page shows demographics for a US metropolitan or micropolitan area from the 2020 census and the American Community Survey: population, land area, density, and how the area compares to national averages.
Metro areas are built from whole counties, listed below. Statistics aggregate the member counties' census tracts.