Arapahoe county is located in northeast Colorado. Arapahoe county has 798.10 square miles of land area and 7.34 square miles of water area. As of 2010-2014, the total Arapahoe county population is 596,684, which has grown 22.28% since 2000. The population growth rate is higher than the state average rate of 20.84% and is much higher than the national average rate of 11.61%. Arapahoe county median household income is $62,213 in 2010-2014 and has grown by 16.13% since 2000. The income growth rate is much lower than the state average rate of 25.94% and is much lower than the national average rate of 27.36%. Arapahoe county median house value is $235,600 in 2010-2014 and has grown by 37.22% since 2000. The house value growth rate is lower than the state average rate of 43.70% and is lower than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Arapahoe county is better than the state average in quality. The Arapahoe county area codes are 303, 720.
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