Maybe you're the sort of person who loves to plan every tiny detail of your trip. Or perhaps you'd rather jump in your rental car and take things as they come. However you like to go about it, there are some basic details about Merrick you should know.You'll find it 25 miles from West New York and 28 miles away from White Plains.It can be handy to know how many people reside in the place that you plan to visit. In this part of Nassau County, the population is around 22,100.