Los Angeles has a lot of dense neighborhoods , but the most dense neighborhood is Koreatown. It has 42,611 people per square mile, and the total space is 2,70 square miles. This means the total population for this neighborhood is 124,281. Population distribution in Los angeles is concentrated because everybody wants to live in Central Los Angeles because of all the services and jobs are situated. Other parts of the city have less population because it's not as advanced as the central part of the city.