Port Jefferson is located in Ohio. Port Jefferson, Ohio has a population of 448. Port Jefferson is less family-centric than the surrounding county with 19.23% of the households containing married families with children. The county average for households married with children is 31.96%.
The median household income in Port Jefferson, Ohio is $37,321. The median household income for the surrounding county is $66,536 compared to the national median of $69,021. The median age of people living in Port Jefferson is 45.5 years.
The average high temperature in July is 84 degrees, with an average low temperature in January of 18 degrees. The average rainfall is approximately 40.2 inches per year, with 17.2 inches of snow per year.