Port Washington is a city located in Nassau County New York. Port Washington has a 2020 population of 15,808. Port Washington is currently declining at a rate of 0.00% annually and its population has decreased by -0.24% since the most recent census, which recorded a population of 15,846 in 2010. Port Washington reached it's highest population of 16,233 in 2015.
The average household income in Port Washington is $213,564 with a poverty rate of 5.36%. The median rental costs in recent years comes to $1,881 per month, and the median house value is $815,300. The median age in Port Washington is 42.3 years, 40.3 years for males, and 45.7 years for females.