Burrs Mill is an unincorporated community located within Southampton Township in Burlington County, in the U.S. state of New Jersey. Found in a rural portion of the township near Route 70, it is located along its eponymous brook in a forested area within the Pine Barrens. A low density of houses surround nearby roads including Burrs Mill Road and Rout…Burrs Mill is an unincorporated community located within Southampton Township in Burlington County, in the U.S. state of New Jersey. Found in a rural portion of the township near Route 70, it is located along its eponymous brook in a forested area within the Pine Barrens. A low density of houses surround nearby roads including Burrs Mill Road and Route 70's fire roads.