Adelphi is located in Ohio. Adelphi, Ohio has population of 326. Adelphi is more family-centric than the surrounding county with 36% of the households with children.
The median household income in Adelphi, Ohio is $50,921. The median household income for the surrounding county is $52,768 compared to the national median of $66,222. The median age of people living in Adelphi is 41.5 years.
The average high temperature in July is 85.2 degrees, with an average low temperature in January of 17.9 degrees. The annual precipitation is 38.67.