Boulder county is located in north Colorado. Boulder county has 726.29 square miles of land area and 14.08 square miles of water area. As of 2010-2014, the total Boulder county population is 305,166, which has grown 4.76% since 2000. The population growth rate is much lower than the state average rate of 20.84% and is much lower than the national average rate of 11.61%. Boulder county median household income is $69,407 in 2010-2014 and has grown by 24.25% since 2000. The income growth rate is lower than the state average rate of 25.94% and is lower than the national average rate of 27.36%. Boulder county median house value is $358,000 in 2010-2014 and has grown by 48.00% since 2000. The house value growth rate is higher than the state average rate of 43.70% and is about the same as 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 Boulder county is much better than the state average in quality. The Boulder county area codes are 303, 720.
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