Hello how may I help you? Which city is bigger NYC or LA? Which city is bigger NYC or LA. Bigger in which way? Can you narrow that request down for me? Which city has a higher population? For which year would you like to know the answer for. 2017 As of 2017 New York city was larger by about five hundred thousand people. Which city has the worse traffic? Are you referring to rush hour traffic or traffic in general? Traffic in general Although this is subjective, most people believe LA has the worst traffic in the entire country. Okay thanks for the info