There are 7 US Post Offices in Kittson County serving a total of 4,323 residents equating to 618 residents per post office. It's estimated that approximately 6,900 packages are handled across the 7 county post offices annually. Kittson County is a county located in the U.S. state of Minnesota along the Canada\u2013US border. As of the 2010 census, the population was 4,552. Its county seat is Hallock. It is named after Canadian fur trader and railroad entrepreneur Norman Kittson. The county was officially organized on February 25, 1879, having been part of the Pembina District prior to that time. The county also included the western portion of what is now Roseau County until 1894. Skull Lake is Kittson County's only natural lake. Lake Bronson, for which the city of Lake Bronson takes its name, is man-made. Kittson County is south from the Canadian province of Manitoba."