| Image Caption: | 2024 map defined in 2022 map defined in Johnson v. Wisconsin Elections Commission 2011 map was defined in |
| Chamber: | Assembly |
| State: | Wisconsin |
| District: | 45 |
| Representative: | Clinton Anderson |
| Residence: | Beloit |
| Party: | Democratic |
| Incumbentsince: | January 3, 2023 (years) |
| Population: | 59,601 |
| Population Year: | 2020 |
| Voting Age: | 45,390 |
| Percent White: | 72.86 |
| Percent Black: | 10.52 |
| Percent Hispanic: | 12.48 |
| Percent Asian: | 1.71 |
| Percent Native American: | 2.5 |
| Percent Pacific Islander: | 0.1 |
| Website: | Official website |
| Notes: | Southern Wisconsin |
The 45th Assembly District of Wisconsin is one of 99 districts in the Wisconsin State Assembly.[1] Located in southern Wisconsin, the district comprises most of southern and eastern Rock County. It includes the cities of Beloit and Evansville, and the village of Orfordville. The district also contains Beloit College.[2] The district is represented by Democrat Clinton Anderson, since January 2023.[3]
The 45th Assembly district is located within Wisconsin's 15th Senate district, along with the 43rd and 44th Assembly districts.[4]
| District created | |||||||
| Gary K. Johnson | Dem. | Beloit | Rock | January 1, 1973 | January 3, 1983 | ||
| Rep. | Sparta | Jackson, La Crosse, Monroe | January 3, 1983 | January 7, 1985 | |||
| Timothy Weeden | Rep. | Beloit | Rock | January 7, 1985 | April 21, 1987 | ||
| --Vacant-- | April 21, 1987 | June 17, 1987 | |||||
| Judy Robson | Dem. | Beloit | June 17, 1987 | January 4, 1999 | |||
| Dan Schooff | Dem. | Beloit | Rock, Walworth | January 4, 1999 | |||
| Chuck Benedict | Dem. | Beloit | January 3, 2011 | ||||
| Amy Loudenbeck | Rep. | Clinton | January 3, 2011 | January 7, 2013 | |||
| Janis Ringhand | Dem. | Evansville | Green, Rock | January 7, 2013 | January 3, 2015 | [5] | |
| Mark Spreitzer | Dem. | Beloit | January 3, 2015 | January 2, 2023 | [6] | ||
| Clinton Anderson | Dem. | Beloit | January 3, 2023 | Current | |||