Ronkonkoma is located in New York. Ronkonkoma, New York has a population of 18,775. Ronkonkoma is less family-centric than the surrounding county with 29.72% of the households containing married families with children. The county average for households married with children is 32.94%.
The median household income in Ronkonkoma, New York is $114,216. The median household income for the surrounding county is $111,660 compared to the national median of $69,021. The median age of people living in Ronkonkoma is 37.7 years.
The average high temperature in July is 83.2 degrees, with an average low temperature in January of 23.4 degrees. The average rainfall is approximately 47.3 inches per year, with 28.2 inches of snow per year.