Welcome to Medford! Before you get your adventure underway, it’s helpful to know a few things about where you’re headed. So unfold your map, grab a pen and let’s get started.This town sits 9 miles to the northeast of West Sayville, and 255 miles northeast of Washington, the nation’s capital.It’s always good to know how many people reside in the place you’re heading to. In this area of Suffolk County, the population is about 24,100.