With nearly 2 million people crammed into just 42 square kilometers, Manila is bursting at the seams. How did it become so ...

With around 10 million people within its nearly 300 square miles, according to the C.I.A. World Factbook, Tehran is ...

The world's most densely populated city was demolished over 30 years ago. Kowloon Walled City was home to 35,000 residents that were packed into a territory of 26,000 square metres. The ...

Heat is the number one killer -- and it’s heading to the most densely populated part of America for a prolonged period.

Arizona and Florida are the most popular states for retirees, a study shows. But where do most retired people live in Arizona ...

New York is by far the most densely populated big city in the U.S., at around 27,485 people per square mile. Oklahoma City is at the opposite end of the spectrum, with just 1,159 people per square ...

Apparently, New Jersey is a hotbed for families ready to settle down. In fact, the Garden State competes with Rhode Island as ...

The Charlotte and The Herald used census data to uncover high-density communities in Mecklenburg and York County, and the region.

Athens is scrambling to mitigate perilously extreme summer temperatures as it juggles the needs of locals with the millions ...