जेफरसन काउंटी : मुख्य शहरों

Aztalan, Busseyville, Cold Spring, Concord, Farmington, Fort Atkinson, Grelton, Hebron, Helenville, Ixonia, Jefferson, Johnson Creek, Koshkonong Mounds, Lake Koshkonong, Lake Mills, Lake Ripley, Milford, Oakland, Palmyra, Pipersville, Rome, Waterloo, Watertown.