Royal is located in northwest Iowa. Royal is part of Clay County. Royal has 0.30 square miles of land area and has no water area. As of 2010-2014, the total Royal population is 540, which has grown 12.73% since 2000. The population growth rate is much higher than the state average rate of 5.19% and is higher than the national average rate of 11.61%. Royal median household income is $46,786 in 2010-2014 and has grown by 24.76% since 2000. The income growth rate is lower than the state average rate of 33.56% and is lower than the national average rate of 27.36%. Royal median house value is $61,000 in 2010-2014 and has grown by 28.42% since 2000. The house value growth rate is much lower than the state average rate of 53.09% and is much 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 Royal is much better than the state average in quality. The Royal area code is 712.