Arco is located in southwest Minnesota. Arco is between the Lincoln, Lyon county. Arco has 0.64 square miles of land area and 0.12 square miles of water area. As of 2010-2014, the total Arco population is 91, which has shrunk 9.00% since 2000. The population growth rate is much lower than the state average rate of 9.44% and is much lower than the national average rate of 11.61%. Arco median household income is $24,583 in 2010-2014 and has has shrunk by 19.73% since 2000. The income growth rate is much lower than the state average rate of 29.12% and is much lower than the national average rate of 27.36%. Arco median house value is $26,800 in 2010-2014 and has shrunk by -88.73% since 2000. The house value growth rate is much higher than the state average rate of 51.31% and is much 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 Arco is better than the state average in quality. The Arco area code is 507.