Waldo, Ohio

Waldo is a village in Waldo Township, Marion County, Ohio, United States. The population was 338 at the 2010 census.HistoryWaldo was laid out in 1833 by M. D. Pettibone at the intersection of a turnpike and a state road. The village was named for Waldo Pettibone, the proprietor's son. A post office called Waldo has been in operation since 1847.GeographyWaldo is located at .According to the United States Census Bureau, the village has a total area of 0.65sqmi, all land.Demographics2010 censusAs of the census of 2010, there were 338 people, 138 households, and 99 families residing in the village. The population density was 520.0PD/sqmi. There were 157 housing units at an average density of 241.5/sqmi. The racial makeup of the village was 96.4% White, 0.3% African American, 0.9% Asian, and 2.4% from two or more races. Hispanic or Latino of any race were 1.2% of the population.There were 138 households of which 31.2% had children under the age of 18 living with them, 55.1% were married couples living together, 10.1% had a female householder with no husband present, 6.5% had a male householder with no wife present, and 28.3% were non-families. 23.2% of all households were made up of individuals and 10.1% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.86.