Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| San Augustine | 1 | 1,850 | 1,917 | -0.91% | 392 | 4.7 | City |
| Broaddus | 2 | 181 | 184 | -0.55% | 485 | 0.4 | Town |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
San Augustine is the largest city in San Augustine County.
Broaddus is the smallest city in San Augustine County.
There are 2 cities in San Augustine County, Texas.