The 12th Senate district of

Wisconsin Wisconsin ( ) is a U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest of the United States. It borders Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michig ...

is one of 33 districts in the

Wisconsin Senate The Wisconsin Senate is the upper house of the Wisconsin State Legislature. Together with the Wisconsin State Assembly they constitute the legislative branch of the state of Wisconsin. The powers of the Wisconsin Senate are modeled after those ...

. Located in northern Wisconsin, the district comprises

Florence Florence ( ; ) is the capital city of the Italy, Italian region of Tuscany. It is also the most populated city in Tuscany, with 362,353 inhabitants, and 989,460 in Metropolitan City of Florence, its metropolitan province as of 2025. Florence ...

Forest A forest is an ecosystem characterized by a dense ecological community, community of trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, ...

, Langlade,

Lincoln Lincoln most commonly refers to: * Abraham Lincoln (1809–1865), the 16th president of the United States * Lincoln, England, cathedral city and county town of Lincolnshire, England * Lincoln, Nebraska, the capital of Nebraska, U.S. * Lincoln (na ...

, Marinette,

Oneida Oneida may refer to: Native American/First Nations * Oneida people, a Native American/First Nations people and one of the five founding nations of the Iroquois Confederacy * Oneida language * Oneida Indian Nation, based in New York * Oneida N ...

, and Vilas counties, and parts of northern Oconto County, northwest

Shawano County Shawano County ( ; originally Shawanaw County) is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 40,881. Its county seat is Shawano. Shawano County is included in the Shawano, WI Micropolitan Stat ...

, and northeast Marathon County. It contains the cities of Antigo, Eagle River, Marinette,

Merrill Merrill may refer to: Places in the United States *Merrill Field, Anchorage, Alaska *Merrill, Iowa *Merrill, Maine *Merrill, Michigan *Merrill, Mississippi, an unincorporated community near Lucedale in George County *Merrill, Oregon *Merrill, Wisc ...

Peshtigo Peshtigo ( ) is a city in Marinette County, Wisconsin, United States. The population was at 3,420 as of the 2020 United States census, 2020 census The city is surrounded by the Peshtigo (town), Wisconsin, Town of Peshtigo. It is part of the Ma ...

, Rhinelander, and

Tomahawk A tomahawk is a type of single-handed axe used by the many Native Americans in the United States, Indian peoples and nations of North America, traditionally resembles a hatchet with a straight shaft. Etymology The name comes from Powhatan langu ...

Current elected officials

Mary Felzkowski Mary Jean Felzkowski (''née'' Behling; born September 25, 1963) is an American businesswoman and Republican politician from northern Wisconsin. She is a member of the Wisconsin Senate, representing Wisconsin's 12th Senate district since 2021. ...

is the senator representing the 12th district. She was first elected in the 2020 general election. She previously served 8 years in the

State Assembly State Assembly is the name given to various legislatures, especially lower houses or full legislatures in states in federal systems of government. Channel Islands States Assembly is the name of the legislature of the Bailiwick of Jersey. The Baili ...

. Each Wisconsin State Senate district is composed of three

Wisconsin State Assembly The Wisconsin State Assembly is the lower house of the Wisconsin Legislature. Together with the smaller Wisconsin Senate, the two constitute the legislative branch of the U.S. state of Wisconsin. The Assembly is controlled by the Republican ...

districts. The 12th Senate district comprises the 34th, 35th, and 36th Assembly districts. The current representatives of those districts are: * Assembly District 34:

Rob Swearingen Rob Swearingen (born July 23, 1963) is an American businessman and politician. Swearingen was born in Oneida County, Wisconsin. He went to Rhinelander High School in Rhinelander, Wisconsin, where Swearingen and his wife now own the AL-GEN din ...

(R– Rhinelander) * Assembly District 35:

Calvin Callahan Calvin Callahan (born March 2, 1999) is an American Republican politician. He serves as a member of the Wisconsin State Assembly, representing the 35th Assembly district. His district comprises Lincoln County, western Langlade County, and ne ...

(R–

) * Assembly District 36:

Jeffrey Mursau Jeffrey Mursau (June 12, 1954) is a Wisconsin politician, legislator and business owner. Born in Oconto Falls, Wisconsin, Mursau owned his business and served as president of the village of Crivitz, Wisconsin. Mursau has served in the Wisconsin ...

(R–

Crivitz Crivitz is a town in the Ludwigslust-Parchim district, in Mecklenburg-Western Pomerania, Germany. It is situated 18 km east of Schwerin. The founder of the town Crivitz, Wisconsin named it after his hometown Crivitz. It has a friendship li ...

) The 12th Senate district is split between two congressional districts. The portion of the district in Florence, Forest, Langlade, Oneida, Vilas, Lincoln, and Marathon counties falls within the

Wisconsin's 7th congressional district Wisconsin's 7th congressional district is a congressional district of the United States House of Representatives in northwestern and central Wisconsin; it is the largest congressional district in the state geographically, covering 20 counties (i ...

, which is represented by U.S. Representative

Tom Tiffany Thomas P. Tiffany (born December 30, 1957) is an American businessman and politician serving as the U.S. representative for Wisconsin's 7th congressional district since winning a special election in 2020. A member of the Republican Party, he prev ...

; the remainder of the district, which falls within Marinette, Oconto, Menominee, and Shawano counties, is in

Wisconsin's 8th congressional district Wisconsin's 8th congressional district is a congressional district of the United States House of Representatives in northeastern Wisconsin. It has been represented by Republican Tony Wied since November 12, 2024. It was previously vacant from ...

, which is represented by U.S. Representative Mike Gallagher. File:Rhinelander Wisconsin Downtown Looking East.jpg, Downtown Rhinelander File:Eagle River Wisconsin.jpg, The Eagle River flowing through Eagle River File:LincolnCountyCourthouse.JPG, Historic Lincoln County Courthouse in

File:Tomahawk Downtown Looking East.jpg, Downtown

File:Council Grounds State Park.jpg, Pine forest within

Council Grounds State Park Council Grounds State Park is a Wisconsin List of Wisconsin state parks, state park on the Wisconsin River. It was originally a Merrill, Wisconsin, Merrill city park that was donated to the state in 1938, evolving in designation from a state ro ...

File:MenomineeRiverNiagaraWisconsinUS141.jpg,

Menominee River The Menominee River is a river in northwestern Michigan and northeastern Wisconsin in the United States. It is approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed Dec ...

viewed from Niagara File:Headwaters Wilderness.jpg,

Headwaters Wilderness The Headwaters Wilderness is a wilderness area located within the Nicolet unit of the Chequamegon–Nicolet National Forest in northeastern Wisconsin. It is the largest federally designated wilderness area on Wisconsin's mainland. The wildern ...

in the Nicolet National Forest File:2009-0619-Marinette-DunlapSquare.jpg,

Dunlap Square Building The Dunlap Square Building is a historic commercial block in Marinette, Wisconsin, United States, and is registered on the U.S. National Register of Historic Places. The building is a 2-story commercial block designed in Queen Anne style, with ...

in Marinette File:PeshtigoFireMuseumExterior2.jpg,

Peshtigo Fire Museum The Peshtigo Fire Museum preserves the heritage of the Peshtigo Fire, which destroyed the city of Peshtigo, Wisconsin and surrounding area on October 8, 1871, killing over 2,000 people. It hosts storytelling, exhibits of artifacts from the fir ...

Past senators

Past senators include:Wisconsin Blue Book, 1991-92 edition, ''Statistics: History'', pages 657-666. Note: the boundaries of the district has changed repeatedly over history. Previous politicians of this district have represented a completely different geographic area, due to

redistricting Redistricting in the United States is the process of drawing electoral district boundaries. For the United States House of Representatives, and state legislatures, redistricting occurs after each ten-year census. The U.S. Constitution in Art ...

. The district definitions for the given era are specified in the "District definition" column.

References

External links

Senate District 12
at

Wisconsin Legislature The Wisconsin Legislature is the state legislature of the U.S. state of Wisconsin. The legislature is a bicameral body composed of the upper house, Wisconsin State Senate, and the lower Wisconsin State Assembly, both of which have had Republ ...

*
Senator Mary Felzkowski (2023)
*
Senator Mary Felzkowski (2021)
*
Senator Thomas Tiffany (2019)
*
Senator Thomas Tiffany (2017)
{{United States legislatures Wisconsin Senate districts Florence County, Wisconsin Forest County, Wisconsin Langlade County, Wisconsin Lincoln County, Wisconsin Marathon County, Wisconsin Marinette County, Wisconsin Oconto County, Wisconsin Oneida County, Wisconsin Shawano County, Wisconsin Vilas County, Wisconsin 1848 establishments in Wisconsin