Petrolia is located in Pennsylvania. Petrolia, Pennsylvania has a population of 196. Petrolia is less family-centric than the surrounding county with 21.28% of the households containing married families with children. The county average for households married with children is 31.96%.
The median household income in Petrolia, Pennsylvania is $47,917. The median household income for the surrounding county is $77,065 compared to the national median of $69,021. The median age of people living in Petrolia is 48.5 years.
The average high temperature in July is 82.4 degrees, with an average low temperature in January of 17.8 degrees. The average rainfall is approximately 43.2 inches per year, with 35.7 inches of snow per year.