Chicago
606 km²
San Antonio
1,209 km²
USA
United States
Area Comparison
Chicago is 2.0x smaller than San Antonio
Population Comparison
Chicago has 1.9x more people than San Antonio
San Antonio is significantly larger, covering 2.0 times the area of Chicago. San Antonio spans 1,209 km² (467 mi²) while Chicago covers 606 km² (234 mi²) — a difference of 603 km².
To put Chicago's size in perspective, its area of 606 km² is roughly the same size as Seoul. Meanwhile, San Antonio at 1,209 km² is about 1.3x smaller than London.
Chicago's footprint is roughly about 85,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan — pick whichever unit feels intuitive. San Antonio, by comparison, equals about 169,000 American football fields, 20 times the area of Manhattan, or 11 times the area of Paris.
Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States. Located on the western shore of Lake Michigan, it is the third-most populous city in the United States, with a population of 2.74 million at the 2020 census. The Chicago metropolitan area has 9.41 million residents and is the third-largest metropolitan area in the country. Chicago is the seat of Cook County, the second-most populous county in the U.S.
Known as "The Windy City", Chicago covers 606 km² with a population of 2.7 million. The city was established in 1833. Chicago is known for Willis Tower, Millennium Park Bean, Navy Pier, among other attractions. The city's main transit system is the CTA (L train).
Chicago is the third-most populous city in the United States with 2.74 million residents at the 2020 census.
San Antonio is a city in the U.S. state of Texas. It is the seventh-most populous city in the United States, the second-most populous city in Texas, and the second-most populous city in the Southern U.S., with a population of 1.43 million at the 2020 census. The Greater San Antonio metropolitan area, with an estimated 2.76 million residents, ranks as the third-largest metropolitan area in Texas and the 24th-largest in the nation. It is the county seat of Bexar County.
Also known as "Alamo City", San Antonio has an area of 1,209 km² and is home to 1.4 million people. The city dates back to 1718. Visitors come for The Alamo, San Antonio River Walk, Tower of the Americas, and much more.
San Antonio is the seventh-most populous city in the United States and second-most populous in Texas, with 1.43 million residents.
Chicago has a population density of 4,455 people per km² — a moderately dense city. San Antonio, with 1,183 people per km², is a relatively spread-out city. Chicago is dramatically more crowded, with 3.8x the population density.
Density Gap
Chicago is 3.8x more densely populated
History
San Antonio is ~115 years older
Chicago covers 606 km². Cities with a similar urban footprint include Seoul (605 km²), Madrid (604 km²), Mumbai (603 km²), Toronto (630 km²), or Hyderabad (650 km²).
San Antonio covers 1,209 km². Cities with a similar urban footprint include Rio de Janeiro (1,221 km²), Lagos (1,172 km²), Rome (1,285 km²), Los Angeles (1,302 km²), or Hong Kong (1,114 km²).
The straight-line distance from Chicago to San Antonio is 1,694 km (1,053 miles), with an estimated flight time of ~2h 30m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.