Maricopa, AZ, United States

The population of Maricopa has exploded from 1,040 in 2000 to over 66,000 today, making it the 12th fastest growing municipality in the US. While this rapid growth has brought new amenities like a casino and cinema complex, it's also created a persistent bureaucratic headache - the city has 10 citizen advisory groups to navigate. And with the flat, desert terrain and summer temperatures over 100°F, the climate can be a challenge. Those seeking an affordable, sprawling suburb near Phoenix may find Maricopa appealing, but the rapid expansion and harsh environment are not for the faint of heart.