Hong Kong vs San Francisco - City Size Comparison

Is Hong Kong Bigger Than San Francisco?

Yes — Hong Kong is 9.2x larger than San Francisco by area. Hong Kong spans 1,114 km² (430 mi²) while San Francisco covers 121 km² (47 mi²) — a difference of 993 km². You could fit San Francisco inside Hong Kong approximately 9 times.

About Hong Kong

A major financial hub and special administrative region of China. Known as "Pearl of the Orient", Hong Kong covers 1,114 km² with a population of 7.4 million. The city was established in 1841. Hong Kong is known for Victoria Harbour skyline, Dim sum cuisine, Star Ferry, among other attractions. The city's main transit system is the MTR Hong Kong.

Hong Kong has more skyscrapers than any other city in the world, with over 480 buildings above 150 meters

About San Francisco

A cultural and financial center in Northern California. Nicknamed "SF", San Francisco has an area of 121 km² and is home to 0.9 million people. It was established in 1776. Visitors come for Golden Gate Bridge, Alcatraz Island, Cable cars, and much more. Getting around is easy with the BART & Muni.

San Francisco's 121 km² makes it one of the smallest major US cities by area

Population Density

Hong Kong has a population density of 6,652 people per km² — a densely populated city. San Francisco, with 7,190 people per km², is a densely populated city. Both cities have comparable density, though San Francisco is slightly more compact.

Climate & Time Zone

Hong Kong has a humid subtropical climate while San Francisco experiences Mediterranean conditions. Summers are notably different: Hong Kong averages 29°C compared to 17°C in San Francisco. When it's noon in Hong Kong, it's midnight in San Francisco — a 16-hour time difference.