The U.S. has some of the most populated cities in the world, with culturally and demographically diverse urban centers full of millions of people.

There's both good and bad news in heavily populated U.S. cities.

On the upside, there's plenty to do and see in big cities, with ample parks, public transportation, and access to good jobs in downtown areas. On the downside, smog and pollution can be a problem (just ask Los Angeles), crimes rates are higher than in the suburbs and in rural areas, and higher city taxes can eat into a household budget.

We're using the latest U.S. Census figures for our population totals, and offer fair warning that living in highly populated urban centers is not for everyone. But if you like the bright lights and the big city vibe, the following U.S. "most populated" cities are calling your name.

Read on and see for yourself.