| ZIP Codes: | 95 ZIP Codes (74 Standard, 19 PO Box, 2 Unique) [See All] |
| Area Codes: | 210 / 726 / 830 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:51 PM |
| Population: | 2,044,549 [See All] |
| FIPS: | 48029 |
| CBSA: | San Antonio-New Braunfels, TX |
| Land Area: | 1,268 sq mi |
| Water Area: | 15 sq mi |
| Coordinates: | 29.4613, -98.5078 |
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2,044,549 residents live across 95 ZIPs covering 1,268 sq mi, served by 14 distinct USPS-recognized cities.
Population moved from 1,782,882 to 2,044,549 from 2014 to 2024 — a +14.7% change. 54 ZIPs gained residents, 16 lost.
The county's wealthiest ZIP 78255 (San Antonio, $157,428 median) and poorest ZIP 78208 (San Antonio, $26,595) are 20.5 miles apart — a 5.9× income gap across local geography.
Median home values vary 6.3× across this county — from $106,700 in 78207 (San Antonio) to $670,400 in 78257 (San Antonio).
Density varies 79× across the county — from 93 people/sq mi in 78263 (San Antonio) to 7,380 in 78207 (San Antonio).
Most of the decade's growth concentrated around San Antonio — top growth ZIPs averaged +167.6% over the past ten years ( 78235 , 78257 and 78252 ).
Educational attainment ranges from 6.2% bachelor's+ in 78237 (San Antonio) to 78.6% in 78215 (San Antonio) — the breadth of educational profiles across the area.
Within Texas, this is the #4 most populous of 254 counties and ranks #82 for median household income with the #45 fastest decade growth .
On the national stage, Bexar County is the #16 most populous US county .
Hosts 2 single-entity Unique ZIPs: 78288United Service Auto Assc ; and 78289City Public Serv Board .
Weighted by population, the typical household earns about $76,590 across the county — reflecting what a typical resident sees, not a simple ZIP average.
31.3% of adults age 25+ hold a bachelor's degree or higher (417,631 of 1,333,980 reporting). The most-educated ZIPs cluster around San Antonio.
74 Standard delivery, 19 PO Box only, 2 single-entity Unique ZIPs serve this county.
7 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
Median household income spans 5.9× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 78245 | San Antonio | Standard | 96,015 | $90,029 | 32.6 | 53.3% |
| 78254 | San Antonio | Standard | 77,893 | $115,526 | 36.4 | 59.1% |
| 78253 | San Antonio | Standard | 69,282 | $106,373 | 59.0 | 110.7% |
| 78249 | San Antonio | Standard | 63,439 | $80,565 | 14.7 | 21.5% |
| 78109 | Converse | Standard | 63,067 | $91,320 | 32.9 | 70.8% |
| 78251 | San Antonio | Standard | 59,435 | $78,958 | 15.2 | 8.3% |
| 78223 | San Antonio | Standard | 58,983 | $52,088 | 42.4 | 12.9% |
| 78240 | San Antonio | Standard | 57,921 | $63,351 | 11.0 | 6.1% |
| 78250 | San Antonio | Standard | 57,323 | $80,659 | 9.3 | 1.3% |
| 78228 | San Antonio | Standard | 56,165 | $52,976 | 11.0 | -6.8% |
| 78207 | San Antonio | Standard | 55,474 | $32,472 | 7.5 | 2.8% |
| 78258 | San Antonio | Standard | 52,448 | $117,835 | 21.8 | 23.6% |
| 78247 | San Antonio | Standard | 51,933 | $91,013 | 14.5 | 1.0% |
| 78233 | San Antonio | Standard | 48,911 | $76,421 | 13.5 | 4.4% |
| 78227 | San Antonio | Standard | 44,035 | $51,519 | 18.6 | -9.1% |
| 78209 | San Antonio | Standard | 43,400 | $86,514 | 10.4 | 6.0% |
| 78221 | San Antonio | Standard | 42,178 | $63,811 | 38.2 | 11.2% |
| 78201 | San Antonio | Standard | 41,981 | $47,121 | 7.2 | 1.4% |
| 78230 | San Antonio | Standard | 41,387 | $73,529 | 10.4 | -2.5% |
| 78216 | San Antonio | Standard | 41,180 | $59,110 | 14.8 | 2.5% |
| 78213 | San Antonio | Standard | 40,526 | $55,884 | 8.2 | -4.2% |
| 78218 | San Antonio | Standard | 39,428 | $57,285 | 11.4 | 20.0% |
| 78244 | San Antonio | Standard | 38,092 | $71,128 | 7.3 | 20.5% |
| 78260 | San Antonio | Standard | 38,023 | $154,590 | 30.2 | 43.5% |
| 78237 | San Antonio | Standard | 37,379 | $42,772 | 7.1 | 0.4% |
| 78232 | San Antonio | Standard | 36,636 | $85,273 | 12.0 | 0.4% |
| 78242 | San Antonio | Standard | 36,168 | $50,644 | 7.8 | 7.8% |
| 78229 | San Antonio | Standard | 35,664 | $46,574 | 5.7 | 19.3% |
| 78210 | San Antonio | Standard | 34,940 | $55,028 | 7.6 | -9.7% |
| 78217 | San Antonio | Standard | 34,055 | $60,988 | 10.2 | 3.2% |
| 78211 | San Antonio | Standard | 30,857 | $55,436 | 11.6 | -9.4% |
| 78259 | San Antonio | Standard | 29,826 | $114,156 | 15.3 | 32.1% |
| 78239 | San Antonio | Standard | 28,609 | $70,098 | 6.5 | 0.5% |
| 78023 | Helotes | Standard | 28,462 | $134,007 | 68.2 | 3.9% |
| 78212 | San Antonio | Standard | 27,437 | $62,801 | 6.8 | -3.5% |
| 78261 | San Antonio | Standard | 26,657 | $147,727 | 28.0 | 80.2% |
| 78222 | San Antonio | Standard | 26,476 | $66,362 | 18.4 | 19.0% |
| 78238 | San Antonio | Standard | 26,032 | $57,769 | 8.9 | 3.6% |
| 78224 | San Antonio | Standard | 22,232 | $59,891 | 15.3 | 17.1% |
| 78148 | Universal City | Standard | 22,187 | $74,783 | 5.7 | 7.0% |
| 78214 | San Antonio | Standard | 22,118 | $44,902 | 8.2 | -8.1% |
| 78252 | San Antonio | Standard | 21,790 | $85,518 | 31.7 | 152.5% |
| 78220 | San Antonio | Standard | 19,423 | $41,710 | 8.5 | 18.0% |
| 78219 | San Antonio | Standard | 17,924 | $52,094 | 9.8 | 21.1% |
| 78255 | San Antonio | Standard | 17,379 | $157,428 | 19.6 | 41.5% |
| 78248 | San Antonio | Standard | 14,488 | $130,552 | 3.5 | 0.8% |
| 78256 | San Antonio | Standard | 13,453 | $74,977 | 8.2 | 70.4% |
| 78225 | San Antonio | Standard | 13,104 | $46,955 | 2.0 | -3.9% |
| 78204 | San Antonio | Standard | 11,983 | $60,255 | 2.7 | 6.6% |
| 78264 | San Antonio | Standard | 11,841 | $54,409 | 75.8 | 0.3% |
| 78257 | San Antonio | Standard | 10,992 | $81,301 | 32.0 | 162.6% |
| 78202 | San Antonio | Standard | 10,224 | $47,478 | 2.3 | -19.8% |
| 78073 | Von Ormy | Standard | 10,088 | $69,635 | 56.9 | 29.4% |
| 78112 | Elmendorf | Standard | 9,769 | $54,988 | 55.9 | 22.1% |
| 78231 | San Antonio | Standard | 9,744 | $109,183 | 3.9 | 19.8% |
| 78236 | Jbsa Lackland | Standard | 7,635 | $69,219 | 4.8 | -10.9% |
| 78101 | Adkins | Standard | 7,267 | $111,280 | 53.2 | -13.8% |
| 78234 | Jbsa Ft Sam Houston | Standard | 7,149 | $100,662 | 5.1 | 7.0% |
| 78069 | Somerset | Standard | 7,038 | $75,625 | 28.6 | 29.2% |
| 78002 | Atascosa | Standard | 7,035 | $66,744 | 40.7 | -19.0% |
| 78226 | San Antonio | Standard | 6,554 | $33,398 | 7.1 | 10.8% |
| 78203 | San Antonio | Standard | 5,200 | $35,536 | 1.5 | -6.0% |
| 78152 | Saint Hedwig | Standard | 4,521 | $123,981 | 35.6 | 119.1% |
| 78263 | San Antonio | Standard | 4,253 | $80,156 | 45.5 | -12.2% |
| 78208 | San Antonio | Standard | 3,861 | $26,595 | 1.0 | 0.0% |
| 78215 | San Antonio | Standard | 3,506 | $84,437 | 1.0 | 116.2% |
| 78235 | San Antonio | Standard | 2,304 | $62,863 | 2.0 | 187.6% |
| 78205 | San Antonio | Standard | 1,538 | $38,964 | 1.0 | 48.9% |
| 78243 | San Antonio | Standard | 232 | — | 1.0 | 5.9% |
| 78150 | Jbsa Randolph | Standard | 0 | — | 4.4 | -100.0% |
| 78284 | San Antonio | Standard | — | — | 0.0 | — |
| 78241 | San Antonio | Standard | — | — | 0.0 | — |
| 78285 | San Antonio | Standard | — | — | 0.0 | — |
| 78265 | San Antonio | PO Box | — | — | 0.0 | — |
| 78246 | San Antonio | PO Box | — | — | 0.0 | — |
| 78279 | San Antonio | PO Box | — | — | 0.0 | — |
| 78280 | San Antonio | PO Box | — | — | 0.0 | — |
| 78288 | San Antonio | Unique | — | — | 0.4 | — |
| 78268 | San Antonio | PO Box | — | — | 0.0 | — |
| 78206 | San Antonio | Standard | — | — | 0.0 | — |
| 78054 | Macdona | PO Box | — | — | 0.0 | — |
| 78291 | San Antonio | PO Box | — | — | 0.0 | — |
| 78298 | San Antonio | PO Box | — | — | 0.0 | — |
| 78297 | San Antonio | PO Box | — | — | 0.0 | — |
| 78295 | San Antonio | PO Box | — | — | 0.0 | — |
| 78296 | San Antonio | PO Box | — | — | 0.0 | — |
| 78299 | San Antonio | PO Box | — | — | 0.0 | — |
| 78292 | San Antonio | PO Box | — | — | 0.0 | — |
| 78293 | San Antonio | PO Box | — | — | 0.0 | — |
| 78294 | San Antonio | PO Box | — | — | 0.0 | — |
| 78289 | San Antonio | Unique | — | — | 0.0 | — |
| 78283 | San Antonio | PO Box | — | — | 0.0 | — |
| 78270 | San Antonio | PO Box | — | — | 0.0 | — |
| 78278 | San Antonio | PO Box | — | — | 0.0 | — |
| 78269 | San Antonio | PO Box | — | — | 0.0 | — |