Farmers and Merchants Union Bank (Columbus, Wisconsin)

Columbus is a city in Columbia County, Wisconsin (mostly) and Dodge County, Wisconsin Counties in the south-central part of the U.S. state of Wisconsin. The population was 5,540 at the 2020 census. All of this population resided in the Columbia County portion of the city. Columbus is located about 28 miles (45 km) northeast of Madison on the Crawfish River. The Columbia County portion of the city lies within the Madison Metropolitan Statistical Area while the Dodge County portion is a part of the Milwaukee-Waukesha-Racine CSA. Nearly all of the city is located within the town of Columbus in Columbia County, though a small portion lies within the town of Elba in Dodge County.

The Columbus Public Library is a Carnegie library in Columbus, Wisconsin. The library was built in 1912 after the Columbus Women's Civic Club convinced the Carnegie Foundation to sponsor a building for the community's library program. Claude and Starck, a Madison architectural firm known for designing libraries, planned the Prairie School building. The library is still in operation; in addition to library services, the building also held Women's Civic Club meetings and various other community meetings. On November 15, 1990, the library was added to the National Register of Historic Places.

The George Griswold House is located in Columbus, Wisconsin, United States. It was added to the National Register of Historic Places in 2009. Additionally, it is listed on the Wisconsin State Register of Historic Places.

The Columbus Post Office is the main post office in Columbus, Wisconsin. The post office was built in 1938 by the Public Works Administration and opened in 1939. The brick building was designed in the Art Moderne style. Arnold Blanch painted a mural in the post office in 1940 to honor the founding of Columbus; the mural includes the city's first log cabin settlement, farmers and grains from the area, and depictions of typical 1930s residents of the city. The post office was added to the National Register of Historic Places on October 24, 2000.

The Whitney Hotel is located in Columbus, Wisconsin, United States. It is a contributing property of the Columbus Downtown Historic District which was listed on the National Register of Historic Places in 1992.

The Columbus City Hall was added to the National Register of Historic Places in 1979.It was designed by architect Truman Dudley Allen.

The Zion Evangelical Lutheran Church and Parsonage is a historic church complex in Columbus, Wisconsin. The complex includes the 1878 church building at 254 W. Mill Street and the adjacent 1885 parsonage at 236 W. Mill Street. The buildings were added to the National Register of Historic Places in 2009.

The Reinhard and Amelia Schendel House is a historic Queen Anne style house located at 211 North Ludington Street in Columbus, Wisconsin.

The John A. and Maggie Jones House is a historic house at 307 N. Ludington Street in Columbus, Wisconsin.

Columbus station is a railway station that serves Columbus, Wisconsin. The station is served by Amtrak, the national railroad passenger system, with daily service by the Empire Builder line. Beginning in 2024 Columbus will also be served by an additional Chicago-Twin Cities round trip via the new TCMC route with Columbus serving as the Madison area stop along the corridor until additional trackage through Madison via WSOR's Watertown Subdivision and CP's M&P Subdivision is brought up to passenger grade and an additional station in Madison proper is built. This station and the Portage station serve the Madison metropolitan area, with Columbus reckoned as the official stop for Madison proper.

The Columbus School District encompasses an area of approximately 135 miles (217 km) in Columbia, Dodge and Dane counties. Located in the south central Wisconsin city of Columbus, the district is approximately 70 miles (110 km) northwest of Milwaukee, 30 miles (48 km) northeast of Madison and 30 miles (48 km) southeast of Portage.

The Adolphus and Sarah Ingalsbe House is located in Columbus, Wisconsin, United States. It was added to the National Register of Historic Places in 2009. Additionally, it is listed on the Wisconsin State Register of Historic Places.