33 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| San Antonio | 1 | 1,532,653 | 1,439,257 | 1.23% | 3,072 | 498.92 | City |
| Timberwood Park | 2 | 39,455 | 25,003 | 4.6% | 1,936 | 20.38 | CDP |
| Converse | 3 | 31,961 | 27,860 | 2.63% | 3,384 | 9.44 | City |
| Universal City | 4 | 20,211 | 19,753 | 0.46% | 3,585 | 5.64 | City |
| Live Oak | 5 | 16,100 | 15,820 | 0.35% | 3,384 | 4.76 | City |
| Fair Oaks Ranch | 6 | 12,404 | 9,908 | 4.19% | 1,012 | 12.26 | City |
| Selma | 7 | 11,958 | 11,432 | 0.89% | 2,387 | 5.01 | City |
| Scenic Oaks | 8 | 11,334 | 6,611 | 3.9% | 1,437 | 7.89 | CDP |
| Leon Valley | 9 | 11,198 | 11,545 | -0.61% | 3,229 | 3.47 | City |
| Helotes | 10 | 10,507 | 9,119 | 2.72% | 1,516 | 6.93 | City |
| Kirby | 11 | 7,967 | 8,147 | -0.45% | 3,984 | 2 | City |
| Alamo Heights | 12 | 7,527 | 7,374 | 0.41% | 4,089 | 1.84 | City |
| Lackland AFB | 13 | 6,367 | 5,679 | -3.59% | 1,503 | 4.24 | CDP |
| Sandy Oaks | 14 | 5,734 | 5,099 | 2.27% | 2,404 | 2.38 | City |
| Windcrest | 15 | 5,687 | 5,867 | -0.63% | 2,645 | 2.15 | City |
| Terrell Hills | 16 | 5,067 | 5,046 | 0.08% | 3,143 | 1.61 | City |
| Cross Mountain | 17 | 4,873 | 3,238 | 2.46% | 796 | 6.12 | CDP |
| Castle Hills | 18 | 3,861 | 3,975 | -0.59% | 1,564 | 2.47 | City |
| Shavano Park | 19 | 3,846 | 3,536 | 1.64% | 1,169 | 3.29 | City |
| Hollywood Park | 20 | 3,036 | 3,131 | -0.62% | 2,100 | 1.45 | Town |
| Elmendorf | 21 | 2,750 | 1,869 | 6.84% | 448 | 6.14 | City |
| Balcones Heights | 22 | 2,653 | 2,743 | -0.67% | 4,050 | 0.66 | City |
| St. Hedwig | 23 | 2,378 | 2,230 | 1.28% | 80 | 29.63 | Town |
| Olmos Park | 24 | 2,149 | 2,179 | -0.28% | 3,500 | 0.61 | City |
| Somerset | 25 | 1,836 | 1,760 | 0.82% | 919 | 2 | City |
| LaCoste | 26 | 1,285 | 1,087 | 3.21% | 2,036 | 0.63 | City |
| Von Ormy | 27 | 1,204 | 1,179 | 0.42% | 637 | 1.89 | City |
| Randolph AFB | 28 | 1,184 | 1,188 | -0.25% | 287 | 4.12 | CDP |
| China Grove | 29 | 1,124 | 1,141 | -0.27% | 261 | 4.31 | Town |
| Hill Country Village | 30 | 949 | 944 | 0.11% | 433 | 2.19 | City |
| Santa Clara | 31 | 795 | 815 | -0.5% | 348 | 2.28 | City |
| Macdona | 32 | 468 | 258 | -1.27% | 301 | 1.55 | CDP |
| Zuehl | 33 | 319 | 515 | -0.93% | 60 | 5.29 | CDP |
San Antonio is the largest city in Bexar County, with a population of 1,532,653.
Zuehl is the smallest city in Bexar County.
There are 33 cities in Bexar County, Texas.