Cities and Towns in Jefferson County, Wisconsin

Founded in 1836, Jefferson County is one of 72 counties in the state of Wisconsin. Historically, Jefferson County was formed from Milwaukee County. The city of Jefferson is the county seat. With FIPS code of 55, Jefferson County has a population of 84,943 and area of 556.47 square miles (1,441 km²).

 

List of all cities in Jefferson County, WI alphabetically

  • Fort Atkinson, WI
  • Helenville, WI
  • Ixonia, WI
  • Jefferson, WI
  • Johnson Creek, WI
  • Lake Mills, WI
  • Palmyra, WI
  • Sullivan, WI
  • Waterloo, WI
  • Watertown, WI

Major Cities and Towns in Jefferson County, Wisconsin

Jefferson

Area, Population, and Coordinates

  • Area: 5.94 square miles
  • Population: 7,973 (as of the last census)
  • ZIP Codes: 53549
  • Latitude and Longitude:
    • Latitude: 43.0067° N
    • Longitude: 88.8065° W

Location and History

Jefferson is the county seat of Jefferson County, located in southeastern Wisconsin at the confluence of the Rock and Crawfish Rivers. The city was founded in 1839 and named after President Thomas Jefferson. Its strategic location along the rivers made it an early hub for trade and industry, with mills and factories establishing themselves along the waterways. Over time, Jefferson developed into a thriving community with a strong agricultural base, supported by the fertile land surrounding the city. Jefferson’s historical charm is evident in its well-preserved downtown area, which features buildings dating back to the 19th century. The city’s history is also marked by its role as a center for German immigrants, who contributed significantly to the local culture and economy.

Major Schools and Landmarks

Jefferson is served by the Jefferson School District, which includes Jefferson High School, Middle School, and several elementary schools. A significant landmark in the city is the Jefferson County Courthouse, an architectural gem that stands as a testament to the city’s historical roots. Other notable sites include the Jefferson Historical Museum, which offers insights into the city’s past, and the Stoppenbach House, a well-preserved example of Victorian architecture. The Rock River Park and Jefferson Golf Course provide recreational opportunities for residents and visitors alike.

Fort Atkinson

Area, Population, and Coordinates

  • Area: 5.82 square miles
  • Population: 12,423 (as of the last census)
  • ZIP Codes: 53538
  • Latitude and Longitude:
    • Latitude: 42.9283° N
    • Longitude: 88.8373° W

Location and History

Fort Atkinson is a city in Jefferson County, Wisconsin, located on the banks of the Rock River. The city was named after General Henry Atkinson, who established a military fort in the area in 1832 during the Black Hawk War. The fort was decommissioned after the war, and the area quickly developed into a thriving settlement due to its strategic location along the river, which facilitated trade and transportation. Fort Atkinson became a major center for dairy farming and industry, with the establishment of various factories and businesses in the late 19th and early 20th centuries. Today, the city is known for its rich history, scenic beauty, and vibrant community life.

Major Schools and Landmarks

Fort Atkinson is served by the Fort Atkinson School District, which includes Fort Atkinson High School, Middle School, and several elementary schools. The city is home to several significant landmarks, including the historic Hoard Museum, which showcases the area’s history and the contributions of William Dempster Hoard, a former governor of Wisconsin and advocate for dairy farming. The Fireside Dinner Theatre is another key attraction, offering Broadway-quality performances in a unique dining setting. The city also boasts beautiful parks, such as Rock River Park and Dorothy Carnes Park, which provide opportunities for outdoor activities.

Watertown

Area, Population, and Coordinates

  • Area: 12.51 square miles
  • Population: 23,861 (as of the last census)
  • ZIP Codes: 53094, 53098
  • Latitude and Longitude:
    • Latitude: 43.1947° N
    • Longitude: 88.7281° W

Location and History

Watertown is a city that spans both Jefferson and Dodge counties in southeastern Wisconsin. The city is located along the Rock River and was founded in 1836 by Timothy Johnson, who recognized the area’s potential for water power. Watertown quickly grew as a center for milling and industry, attracting a large population of German immigrants who helped shape the city’s cultural and economic landscape. The city became known for its pioneering efforts in education, including the establishment of the first kindergarten in the United States by Margarethe Schurz in 1856. Watertown’s historical downtown area is characterized by its well-preserved 19th-century architecture, reflecting the city’s rich heritage.

Major Schools and Landmarks

Watertown is served by the Watertown Unified School District, which includes Watertown High School, Riverside Middle School, and several elementary schools. The city’s most notable landmark is the Octagon House, a unique eight-sided structure built in 1854 that now serves as a museum. Another significant site is the First Kindergarten, where the concept of early childhood education in America began. Watertown is also home to Tivoli Island, a picturesque park located in the middle of the Rock River, offering walking trails and scenic views. The city’s blend of historical significance and natural beauty makes it a key destination in Jefferson County.

Lake Mills

Area, Population, and Coordinates

  • Area: 4.89 square miles
  • Population: 5,708 (as of the last census)
  • ZIP Codes: 53551
  • Latitude and Longitude:
    • Latitude: 43.0803° N
    • Longitude: 88.9137° W

Location and History

Lake Mills is a city in Jefferson County, Wisconsin, located on the eastern shore of Rock Lake. The city was established in 1836, originally known as “Lake Fork,” before being renamed Lake Mills due to the presence of several mills along the lake’s outlet. The lake and surrounding fertile lands made the area ideal for farming and milling, which were the primary industries in the city’s early days. Lake Mills grew steadily, becoming a center for agriculture and manufacturing. The city is known for its picturesque setting and the historic structures that line its streets, reflecting a blend of natural beauty and architectural heritage. Today, Lake Mills is a vibrant community with a strong focus on outdoor recreation and preserving its historical roots.

Major Schools and Landmarks

Lake Mills is served by the Lake Mills Area School District, which includes Lake Mills High School, Middle School, and Elementary School. The city’s most iconic landmark is Aztalan State Park, which preserves the remnants of an ancient Mississippian culture settlement, providing a glimpse into the area’s prehistoric past. The Ephraim Pottery gallery is another notable attraction, showcasing the city’s connection to arts and crafts. Rock Lake, with its clear waters and surrounding parks, offers numerous recreational opportunities, making it a popular spot for residents and visitors alike.