Our main office is conveniently located on US Highway 51 in Mercer. If you're in the area, take a few minutes to stop by and say hello! Our office expansion project was completed in Fall of 2005. We'd love to show you around! Mercer is located 22 miles south of Wisconsin's northern border; which is shared with the Upper Peninsula of Michigan. Mercer is located 375 miles from Chicago, 245 miles from Minneapolis, and 50 miles south of Lake Superior. Mercer is known for the natural beauty of its surroundings. Offering quiet, tension-free lifestyles for all ages. Mercer has an excellent school system, new library and renovated community building, legal and medical facilities along with retail stores, gift shops and businesses offering many types of services.