Interlaken is located close to the center of California. Interlaken has 9.81 square miles of land area and 0.40 square miles of water area. As of 2010-2014, the total Interlaken population is 6,954, which has shrunk 5.10% since 2000. The population growth rate is much lower than the state average rate of 12.39% and is much lower than the national average rate of 11.61%. Interlaken median household income is $70,541 in 2010-2014 and has grown by 30.93% since 2000. The income growth rate is about the same as the state average rate of 29.47% and is higher than the national average rate of 27.36%. Interlaken median house value is $342,100 in 2010-2014 and has grown by 34.26% since 2000. The house value growth rate is much lower than the state average rate of 75.60% 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 Interlaken is worse than the state average in quality.