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Basic Info


Total Population: 377,291
Male - 47.2%
Female - 52.8%
Median Age: 38.9 years
2010 Projected MSA Population: 381,580


The Quad Citiesis a geographic region of the Mid-Mississippi Valley of the United States that includes several communities in the states of Iowa and Illinois. As of 2008, the population is 377,625.The five most populous cities in the region are:


Average Spring Temperature: 51.0°F 
Average Summer Temperature: 73.2°F 
Average Fall Temperature: 56.0°F
Average Winter Temperature: 24.8°F 
Average Annual Rainfall: 38.04" 
Average Annual Snowfall: 30.6"


Wikipedia - Quad City History