Waldo is located close to the center of Ohio. Waldo is between the Marion, Delaware, Morrow county. Waldo has 0.65 square miles of land area and has no water area. As of 2010-2014, the total Waldo population is 356, which has grown 7.23% since 2000. The population growth rate is much higher than the state average rate of 1.83% and is lower than the national average rate of 11.61%. Waldo median household income is $38,750 in 2010-2014 and has grown by 25.07% since 2000. The income growth rate is higher than the state average rate of 19.27% and is lower than the national average rate of 27.36%. Waldo median house value is $95,400 in 2010-2014 and has grown by 15.92% since 2000. The house value growth rate is much lower than the state average rate of 24.98% 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 Waldo is close to the state average in quality. The Waldo area code is 740.