Port Jefferson is located in Ohio. Port Jefferson, Ohio has a population of 499. Port Jefferson is less family-centric than the surrounding county with 30.3% of the households containing married families with children. The county average for households married with children is 30.4%.
The median household income in Port Jefferson, Ohio is $42,500. The median household income for the surrounding county is $57,673 compared to the national median of $57,652. The median age of people living in Port Jefferson is 35.9 years.
The average high temperature in July is 84.4 degrees, with an average low temperature in January of 17.6 degrees. The average rainfall is approximately 39.2 inches per year, with 18 inches of snow per year.