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, the total Arapahoe county population is 572,003, which has grown 17.22% since 2000. The population growth rate is about the same as the state average rate of 16.92% and is much higher than the national average rate of 9.71%. Arapahoe county median household income is $58,719 in 2006-2010 and has grown by 9.61% since 2000. The income growth rate is much lower than the state average rate of 14.50% and is much lower than the national average rate of 19.17%. Arapahoe county median house value is $232,300 in 2006-2010 and has grown by 35.29% since 2000. The house value growth rate is lower than the state average rate of 42.02% and is lower than the national average rate of 50.42%. 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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