The US cities

The City-Data.com has statistics and demographics on many of the nation's cities. It can be a useful database depending on what you are looking for.


You have there Fuel calculators, information about the cities of the states, like the state of New York and see the photos and stat about the population of each city.
The data includes the air quality, average household size, house heating fuel, religion statistics, food environment  and many other useful information.


One of the most interesting cities can be Detroit, where the population change has fallen over 25%, and the estimated household income is less than 75% of the average in the state of Michigan. The unemployment rate is higher than 15%, but in 2009 reached the 25%, and in 2000 it was less than 10%.