Pandora was originally called Columbia, and under the latter name was laid out in 1837. Another early variant name was Pendleton. A post office was established as Pendleton in 1837, and the name was changed to Pandora in 1883. Pandora was incorporated as a village in 1892.
As of the census of 2010, there were 1,153 people, 452 households, and 320 families living in the village. The population density was. There were 486 housing units at an average density of. The racial makeup of the village was 97.2% White, 0.3% African American, 0.3% Native American, 1.6% from other races, and 0.6% from two or more races. Hispanic or Latino of any race were 3.4% of the population. 56.8% were of German, 18.0% Swiss, 11.7% Irish, 8.7% English, and 5.9% French descent. There were 452 households of which 31.9% had children under the age of 18 living with them, 58.8% were married couplesliving together, 8.2% had a female householder with no husband present, 3.8% had a male householder with no wife present, and 29.2% were non-families. 27.0% of all households were made up of individuals and 10.9% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 2.91. The median age in the village was 40 years. 24.4% of residents were under the age of 18; 6.8% were between the ages of 18 and 24; 25.6% were from 25 to 44; 24.6% were from 45 to 64; and 18.6% were 65 years of age or older. The gender makeup of the village was 49.1% male and 50.9% female.
2000 census
As of the census of 2000, there were 1,188 people, 442 households, and 331 families living in the village. The population density was 1,462.0 people per square mile. There were 458 housing units at an average density of 563.7 per square mile. The racial makeup of the village was 98.74% White, 0.34% African American, 0.59% from other races, and 0.34% from two or more races. Hispanic or Latino of any race were 1.26% of the population. There were 442 households out of which 35.5% had children under the age of 18 living with them, 64.7% were married couples living together, 6.3% had a female householder with no husband present, and 25.1% were non-families. 22.6% of all households were made up of individuals and 10.9% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 2.96. In the village, the population was spread out with 24.8% under the age of 18, 7.7% from 18 to 24, 27.5% from 25 to 44, 19.6% from 45 to 64, and 20.4% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 90.4 males. For every 100 females age 18 and over, there were 86.0 males. The median income for a household in the village was $42,174, and the median income for a family was $49,500. Males had a median income of $36,597 versus $21,830 for females. The per capita income for the village was $17,816. About 2.7% of families and 4.0% of the population were below the poverty line, including 2.5% of those under age 18 and 4.7% of those age 65 or over.
