Ronkonkoma is a city located in New York. Ronkonkoma has a 2020 population of 18,302. Ronkonkoma is currently declining at a rate of 0.00% annually and its population has decreased by -4.09% since the most recent census, which recorded a population of 19,082 in 2010. Ronkonkoma reached it's highest population of 19,623 in 2013.
The average household income in Ronkonkoma is $109,564 with a poverty rate of 4.89%. The median rental costs in recent years comes to $1,579 per month, and the median house value is $339,800. The median age in Ronkonkoma is 39.9 years, 37.5 years for males, and 42.1 years for females. For every 100 females there are 96.5 males.