Locust Valley is a city located in New York. Locust Valley has a 2020 population of 3,173. Locust Valley is currently declining at a rate of 0.00% annually and its population has decreased by -6.84% since the most recent census, which recorded a population of 3,406 in 2010. Locust Valley reached it's highest population of 3,406 in 2010.
The average household income in Locust Valley is $161,710 with a poverty rate of 8.74%. The median rental costs in recent years comes to $1,859 per month, and the median house value is $569,700. The median age in Locust Valley is 42.6 years, 38.9 years for males, and 44.1 years for females. For every 100 females there are 93.6 males.