View source for Octa, Ohio

===2010 census===
As of the [[census]]<ref name ="wwwcensusgov">{{cite web|title=U.S. Census website|url=https://www.census.gov|publisher=[[United States Census Bureau]]|access-date=January 6, 2013}}</ref> of 2010, there were 59 people, 30 households, and 13 families living in the village. The [[population density]] was {{convert|210.7|PD/sqmi|PD/km2|1}}. There were 34 housing units at an average density of {{convert|121.4|/sqmi|/km2|1}}. The racial makeup of the village was 84.7% [[White (U.S. Census)|White]] and 15.3% [[African American (U.S. Census)|African American]]. [[Hispanic (U.S. Census)|Hispanic]] or [[Latino (U.S. Census)|Latino]] of any race were 1.7% of the population.

There were 30 households, of which 16.7% had children under the age of 18 living with them, 26.7% were [[Marriage|married couples]] living together, 6.7% had a female householder with no husband present, 10.0% had a male householder with no wife present, and 56.7% were non-families. 50.0% of all households were made up of individuals, and 20% had someone living alone who was 65 years of age or older. The average household size was 1.97 and the average family size was 2.85.

The median age in the village was 45.8 years. 20.3% of residents were under the age of 18; 6.9% were between the ages of 18 and 24; 20.4% were from 25 to 44; 28.9% were from 45 to 64; and 23.7% were 65 years of age or older. The gender makeup of the village was 49.2% male and 50.8% female.