Iowa's 20th Senate district
The 20th District of the Iowa Senate is located in southern Iowa, and is currently composed of Polk County. Current elected officials. Brad Zaun is the senator currently representing the 20th District. The area of the 20th District contains two Iowa House of Representatives districts: The district is also located in Iowa's 3rd congressional district, which is represented by Cindy Axne. Past senators. The district has previously been represented by: