O Brien is located in Florida. O Brien, Florida has a population of 3,172. O Brien is less family-centric than the surrounding county with 16.78% of the households containing married families with children. The county average for households married with children is 21.03%.
The median household income in O Brien, Florida is $39,531. The median household income for the surrounding county is $47,218 compared to the national median of $69,021. The median age of people living in O Brien is 44.7 years.
The average high temperature in July is 92.3 degrees, with an average low temperature in January of 39.8 degrees. The average rainfall is approximately 53.4 inches per year, with 0 inches of snow per year.
