Comté de Jefferson : principales villes

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.