Texas · Census place 4865000

San Antonio, Texas

San Antonio is a city in 2 counties of Texas with an estimated 1,526,656 residents on July 1, 2024. It is the 2nd largest of 804 incorporated places of 1,000+ people in the state.

Population 2024
1,526,656
#2 of 804 in Texas
Change since 2020
+6.1%
+87,316 people
Land area
499.0 sq mi
+ 5.77 sq mi water
Density
3,060 / sq mi
State median 1,561
Orange pin: San Antonio. Shaded: counties it spans. Dark pin: Austin.

San Antonio population, 2020 to 2024

San Antonio added 87,316 residents from July 2020 to July 2024, a change of +6.1%. In the latest year it moved by +23,945. Among 384 Texas places of 5,000 or more, that growth ranks 164th; the median place changed by +4.5%. The median place of 5,000+ in Texas has 15,345 people, so San Antonio is 99.5 times that size.

1.44M20201.45M20211.48M20221.50M20231.53M2024
July 1 estimates. The April 2020 estimates base was 1,434,322. The axis starts above zero so yearly changes are visible.

San Antonio covers 498.95 square miles of land and 5.77 of water, for 3,060 people per square mile of land. The median Texas place of 5,000+ has 1,561, so San Antonio is denser than the typical town.

The 2 counties San Antonio spans

San Antonio crosses county lines. The Census county-part estimates split its 1,526,656 residents as follows; Bexar County holds 100.0% of them. The shaded shapes are on the map above; dots mark the eight nearest places.

  1. 01Bexar County1,526,645
  2. 02Medina County11
Residents inside each county, Census Vintage 2024 county-part estimates (SUMLEV 157).

ZIP codes in San Antonio

60 ZIP Code Tabulation Areas (ZCTAs) overlap San Antonio by at least 10% of the ZCTA's or the city's land: 78023, 78073, 78109, 78112, 78201, 78202, 78203, 78204, 78205, 78207, 78208, 78209, 78210, 78211, 78212, 78213, 78214, 78215, 78216, 78217, 78218, 78219, 78220, 78221, 78222, 78223, 78224, 78225, 78226, 78227, 78228, 78229, 78230, 78231, 78232, 78233, 78234, 78235, 78237, 78238, 78239, 78240, 78242, 78244, 78245, 78247, 78248, 78249, 78250, 78251, 78252, 78254, 78255, 78256, 78257, 78258, 78259, 78260, 78264, 78266. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where San Antonio is

The Census internal point of San Antonio is at 29.462800, -98.524600. Austin, the capital, is 73.2 miles NE in a straight line. The nearest larger place is Houston, TX (2,390,125 people), 189.6 miles away. The nearest city of 100,000 or more is New Braunfels, TX, 29.5 miles away. The ground at the internal point is about 222 m (728 ft) above sea level.

Internal point

Decimal
29.462800, -98.524600
DMS
29°27'46.08"N 98°31'28.56"W
UTM
14N 546096.4E 3259355.7N
Geohash
9v1zw5894
Plus code
76X3FF7G+45
Time zone
America/Chicago

Daylight in San Antonio

At 29.46° N, San Antonio gets about 14 h 02 min of daylight around the June solstice and 10 h 15 min around the December solstice, a swing of 3 h 47 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the San Antonio daylight page.

Places near San Antonio

The eight nearest incorporated places of 1,000+ in Texas, measured between internal points. The closest is Balcones Heights, 2.4 miles away, with 2,707 people.

Questions people ask

What is the population of San Antonio, TX?

1,526,656 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 87,316 (6.1%) from 1,439,340 in July 2020.

What county is San Antonio in?

It spans 2 counties: Bexar County (1,526,645 residents), Medina County (11 residents).

What ZIP codes cover San Antonio?

60 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 78023, 78073, 78109, 78112, 78201, 78202, 78203, 78204, 78205, 78207, 78208, 78209, and more.

How far is San Antonio from Austin?

73.2 miles (117.7 km) in a straight line, heading NE from San Antonio.

What is the nearest larger city to San Antonio?

Houston, TX, with 2,390,125 residents, 189.6 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)
  5. 05Open-Meteo forecast API (time zone and Copernicus GLO-90 elevation) (last verified 2026-09-30)

How every number is computed: methodology. Spotted a wrong figure? Report an error.