It depends on what you measure. By city area, Los Angeles (1,302 km²) is about 1.66× larger than New York City (783 km²). By population, NYC (~8.3 million) is more than double LA (~3.9 million). By metro population, the NYC metro (~23 million) is significantly larger than the LA metro (~18.6 million). By metro area, LA metro (~12,500 km²) is similar to NYC metro.
The Short Answer
NYC vs LA is the classic American urban rivalry — two coasts, two cultures, two economic giants. By raw city area, LA is bigger. By raw population, NYC is bigger. By metropolitan area and economy, NYC also wins. So in most ways that matter for "bigger," NYC comes out ahead. But LA covers a larger physical footprint and feels enormous because of its sprawling, car-dependent geography.
The cities have very different physical structures. NYC is dense, vertical, and concentrated — it crams 8.3 million people into 783 km², with Manhattan being one of the densest places on Earth. LA is sprawling, horizontal, and extended — it spreads 3.9 million people across 1,302 km², with no single dominant downtown core.
The Real Numbers
By City Area
- Los Angeles: 1,302 km² (503 sq mi)
- New York City: 783 km² (302 sq mi)
- Ratio: LA is about 1.66× the area of NYC
By City Population
- New York City: ~8,300,000
- Los Angeles: ~3,900,000
- Ratio: NYC has 2.13× more people than LA
By Metropolitan Area
- NYC metro (CSA): ~23,000,000 people, ~17,300 km²
- LA metro (CSA): ~18,600,000 people, ~87,940 km² (includes Riverside-San Bernardino)
- Ratio: NYC metro has 1.24× more people, but LA metro is geographically larger
So which "bigger" you mean really matters. LA is bigger by city area. NYC is bigger by city population and metro population. LA metro is geographically more sprawling.
Density
- NYC density: ~10,600 people/km²
- Manhattan density: ~26,400 people/km²
- LA density: ~3,000 people/km²
NYC is more than 3× denser than LA. Manhattan alone is more than 8× denser than LA. This density gap is the central fact of comparing the two cities — they're both enormous, but in fundamentally different ways. NYC concentrates people in vertical buildings; LA spreads them across horizontal sprawl.
The Geography Driving the Difference
NYC was constrained from the start. Manhattan is an island; Brooklyn is on an island; Queens is on an island; Staten Island is an island; only the Bronx is on the mainland. Land was scarce, so buildings went up. The dense brownstone neighborhoods of Brooklyn and the high-rises of Manhattan emerged from geographic necessity.
LA expanded into the vast San Fernando Valley and Los Angeles Basin without any natural constraints. The city was built around cars from the 1920s onward, and the urban form spread horizontally as auto ownership grew. LA has fewer high-rises in absolute terms despite being a larger city.
Economy
Both metro areas are economic powerhouses:
- NYC metro GDP: ~$2.1 trillion
- LA metro GDP: ~$1.2 trillion
The NYC metro economy is about 75% larger than LA's. NYC dominates finance (Wall Street), media, advertising, fashion, and publishing. LA dominates entertainment (Hollywood), aerospace, tourism, and West Coast trade (the Port of LA-Long Beach is the largest port in the Americas).
Cultural Impact
NYC and LA are the two most globally influential American cities. NYC drives Wall Street, the publishing world, the Broadway theater scene, classical music (Lincoln Center), modern art (MoMA, the Whitney, the Guggenheim), and television news. LA drives Hollywood film and television, the music industry (much of pop, rock, and rap), aerospace innovation, and (more recently) tech (Silicon Beach).
The cultural rivalry has been fertile ground for jokes, films, and identity comparisons for over a century. NYC sees itself as serious, fast, ambitious; LA sees itself as creative, relaxed, optimistic. Both are accurate stereotypes that aren't the whole story.
Climate
LA has a Mediterranean climate — mild winters (15°C average), warm dry summers (24°C average), little rain (~380 mm annually). The climate is famously consistent and pleasant year-round, which has made LA attractive for outdoor lifestyles, film production, and entertainment industries.
NYC has a humid continental climate — cold winters (-1°C average) with regular snow, hot humid summers (25°C average), and rainfall distributed across the year. NYC has all four seasons distinctly. NYC has more dramatic weather — blizzards, summer heat waves, hurricanes (Hurricane Sandy in 2012 was devastating). LA has earthquakes (the San Andreas Fault) and occasional wildfires, but less extreme weather.
Transportation
NYC has the largest subway system in the world by number of stations (472), carrying about 5.5 million passengers per day. NYC also has extensive bus, commuter rail (LIRR, Metro-North), and three major airports (JFK, LaGuardia, Newark). About 56% of NYC commuters use public transit.
LA has historically been a car city. The LA Metro Rail system has about 165 km of rail (much smaller than NYC's subway), with about 300,000 daily riders. Most Angelenos drive — about 78% of LA commuters drive alone. The famous LA traffic (the 405 freeway, the 101, the 110) reflects this car-dependence. LA has been expanding its rail system significantly in the past 15 years, but it's still much less transit-rich than NYC.
Diversity
Both cities are among the most diverse in the world. NYC has about 36% white, 24% Hispanic, 22% Black, 14% Asian, and 4% other races. Over 200 languages are spoken in NYC. About 37% of NYC residents are foreign-born.
LA has about 28% white, 49% Hispanic, 12% Asian, 9% Black, and 2% other races. LA has the largest Mexican population outside of Mexico, the largest Korean population outside Korea, and significant Iranian, Armenian, Filipino, and Salvadoran communities. About 35% of LA residents are foreign-born.
Cost of Living
Both cities are notoriously expensive, but they differ in how. NYC has the highest housing costs in the US — median Manhattan apartment rent exceeds $4,500/month, and home prices in Manhattan top $1.7 million on average. LA isn't far behind — median home price in LA County is around $870,000, and rents in West Side neighborhoods (Santa Monica, Venice, Hollywood) frequently top $3,500/month for 1-bedrooms. Both cities have severe affordability crises that drive workers into long commutes.
Transportation costs differ. NYC residents spend less on car ownership (many don't own cars at all) but pay roughly $130/month for unlimited subway access. LA residents spend an average of $10,000-$15,000 per year on car ownership, fuel, insurance, and parking. The lifestyle costs are different even if total costs are similar.
Sports and Entertainment
NYC has 9 major professional sports franchises across the four major leagues (Yankees, Mets in MLB; Knicks, Nets in NBA; Giants, Jets in NFL; Rangers, Islanders, Devils in NHL — note that the Jets and Giants play in NJ, and the Devils and Islanders also have NJ ties). LA has 10+ teams including the Dodgers, Angels, Lakers, Clippers, Rams, Chargers, Kings, Sparks, LAFC, and more. Both cities punch above their weight in entertainment industries — NYC dominates Broadway theater and live music; LA dominates film, television, and recorded music production.
Key Facts
- LA is 1.66× larger than NYC by city area.
- NYC has 2.13× more people than LA city.
- NYC metro has 24% more people than LA metro.
- NYC has much higher population density (10,600 vs 3,000 per km²).
- NYC has the world's largest subway by stations; LA is mostly car-based.
Fun Facts
- LA's 1,302 km² is larger than the entire country of Liechtenstein (160 km²) by 8×.
- NYC's Central Park (3.4 km²) is bigger than several entire countries (Monaco at 2.0 km²).
- Greater LA stretches about 240 km north-to-south and 100 km east-to-west — bigger than some US states.
- NYC has more skyscrapers than any other US city; LA has fewer despite being geographically larger.
- Both cities have major Hollywood-tier movie studios (Universal, Warner Bros, Disney in LA; smaller studios in NYC).
The Bottom Line
LA is bigger than NYC by city area but smaller in population. NYC is bigger in metropolitan population and economy. They're both enormous American cities, but they're structured fundamentally differently — NYC is dense and vertical; LA is sprawling and horizontal. Asking "which is bigger" depends entirely on what you mean.
For most everyday purposes — economic output, total people, cultural reach — NYC comes out ahead. For physical footprint and geographic spread, LA wins. Both are world cities at the highest tier of American urban influence.