Petrolia is located in Texas. Petrolia, Texas has a population of 646. Petrolia is more family-centric than the surrounding county with 42% of the households containing married families with children. The county average for households married with children is 28.86%.
The median household income in Petrolia, Texas is $36,250. The median household income for the surrounding county is $46,863 compared to the national median of $57,652. The median age of people living in Petrolia is 45.6 years.
The average high temperature in July is 96.6 degrees, with an average low temperature in January of 28.7 degrees. The average rainfall is approximately 32.5 inches per year, with 0.8 inches of snow per year.
