Costilla county is located in south Colorado. Costilla county has 1,226.95 square miles of land area and 3.41 square miles of water area. As of 2010-2014, the total Costilla county population is 3,578, which has shrunk 2.32% 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%. Costilla county median household income is $33,594 in 2010-2014 and has grown by 72.00% since 2000. The income growth rate is much higher than the state average rate of 25.94% and is much higher than the national average rate of 27.36%. Costilla county median house value is $101,200 in 2010-2014 and has grown by 65.36% since 2000. The house value growth rate is higher than the state average rate of 43.70% and is higher 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 Costilla county is worse than the state average in quality. The Costilla county area code is 719.
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