Sumner County is North East of  Nashville and has some of the best rural and country views around.  The cities in this county make up the ninth highest income per capita in Tennessee.  Made of the cities of Gallatin, Goodlettsville, Hendersonville, Millersville, Portland, Westmoreland and White House Tn.  Sumner County has seveal zip codes of 37066, 37031, 37119, 37075, 37077, 37048, 37186, 37188, 37148, and 37022.