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San Antonio, United States

Major city · Population 1.5M

San Antonio is the 9th largest city in United States with a population of approximately 1,526,656 people as of 2026. This makes it the 306th largest city in the world, accounting for 0.45% of United States's total population of 340.1M. San Antonio is classified as a major city and operates in the America/Chicago timezone. The average annual temperature is 22.5°C with 965 mm of rainfall per year. The city sits at an elevation of 203 meters above sea level.

Population

1,526,656

Global Rank

#306

Country Rank

#9

% of United States

0.45%

Avg Temperature

22.5°C

Annual Rainfall

965 mm

Elevation

203 m

Timezone

America/Chicago

San Antonio on the Map

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Climate in San Antonio

San Antonio's warmest month is Aug and the coldest is Jan. The wettest month is May with 225 mm of rainfall.

Average Monthly Temperature

9.7°C
Jan
15.7°C
Feb
18.6°C
Mar
22.2°C
Apr
26.1°C
May
28.9°C
Jun
28.5°C
Jul
30.8°C
Aug
27.8°C
Sep
25.8°C
Oct
19.4°C
Nov
15.9°C
Dec
9.7°C30.8°C

Monthly Rainfall

111 mm
Jan
69 mm
Feb
71 mm
Mar
86 mm
Apr
225 mm
May
107 mm
Jun
97 mm
Jul
23 mm
Aug
47 mm
Sep
5 mm
Oct
60 mm
Nov
64 mm
Dec

United States at a Glance

Country Population

340,110,988

Capital

Washington, D.C.

Region

North America

Major Cities

356

GDP per Capita

$84,534

Life Expectancy

78.4 years

Urban Population

80.1%

Growth Rate

0.01%

Nearest Major Cities

Closest cities to San Antonio with over 100,000 people

Cities closest to San Antonio by distance
CityPopulationDistance
Austin974,447118 km
Round Rock115,997144 km
Killeen140,806202 km
Corpus Christi316,239210 km
Piedras Negras150,178213 km
Laredo256,153235 km
Ciudad Acuña216,099238 km
Nuevo Laredo416,055239 km

Frequently Asked Questions

What is the population of San Antonio?

The population of San Antonio, United States is approximately 1,526,656 people, making it the 306th largest city in the world and the 9th largest in United States.

Is San Antonio the capital of United States?

No, the capital of United States is Washington, D.C.. San Antonio is the 9th largest city in the country.

What is the climate like in San Antonio?

San Antonio has an average annual temperature of 22.5°C and receives 965 mm of rainfall per year. The warmest month is Aug and the coldest is Jan.

What timezone is San Antonio in?

San Antonio is in the America/Chicago timezone.