Williston Park is a city located in Nassau County New York. With a 2020 population of 7,215, it is the 120th largest city in New York and the 3895th largest city in the United States . Williston Park is currently declining at a rate of -0.26% annually and its population has decreased by -0.99% since the most recent census, which recorded a population of 7,287 in 2010. Williston Park reached it's highest population of 9,154 in 1970. Spanning over 1 miles, Williston Park has a population density of 11,521 people per square mile.
The average household income in Williston Park is $160,402 with a poverty rate of 1.25%. The median rental costs in recent years comes to $1,880 per month, and the median house value is $565,200. The median age in Williston Park is 42 years, 40.8 years for males, and 43.8 years for females.