# Iowa's 16th Senate district

The 16th District of the Iowa Senate is located in central Iowa, and is currently composed of part of Polk and Dallas counties.

## Current elected officials

Claire Celsi is the senator currently representing the 16th District.
The area of the 16th District contains two Iowa House of Representatives districts:
* The 31st District (represented by Mary Lee Madison)
* The 32nd District (represented by Jennifer Konfrst)
The district is also located in Iowa's 3rd congressional district, which is represented by Zach Nunn.

## List of representatives

| Representative | Party | Dates | Residence | Notes |
| Eli Snow Wing | Democrat | 1852-1853 | Davenport, Iowa | |
| Ambrose Cowperthwaite Fulton | Whig | 1854-1855 | Davenport, Iowa | |
| William A. Loughridge | Republican | 1856-1859 | Oskaloosa, Iowa | |
| Oliver P. Sherraden | Republican | 1860-1861 | Richland, Iowa | |
| Issac Pearl Teter | Republican | 1862-1863 | Sigourney, Iowa | |
| John Ferguson McJunkin | Republican | 1864-1867 | Washington County, Iowa | |
| John A. Parvin | Republican | 1868-1869 | Muscatine, Iowa | |
| Samuel McNutt | Republican | 1870-1873 | Muscatine, Iowa | |
| Henry Thornburg | Anti-Monopoly | 1874-1875 | Dallas County, Iowa | |
| Henry Thornburg | Republican | 1876-1877 | Dallas County, Iowa | |
| John L. McCormack | Democrat | 1878-1879 | Knoxville, Iowa | |
| James F. Greenlee | Republican | 1880-1883 | Marion County, Iowa | |
| Eli Wilkin | Republican | 1884-1887 | Winterset, Iowa | |
| Richard Price | Republican | 1888-1891 | Winterset, Iowa | |
| Alva Lysander Hager | Republican | 1892 | Greenfield, Iowa | Elected to the U.S. House of Representatives is 1892. |
| Lucien Moody Kilburn | Republican | 1893-1899 | Greenfield, Iowa | |
| James Judson Crossley | Republican | 1900-1908 | Winterset, Iowa | |
| Arthur Criag Savage | Republican | 1909-1916 | Adair, Iowa | |
| Edward McMurray Smith | Republican | 1917-1924 | Winterset, Iowa | |
| John N. Langfitt | Republican | 1925-1932 | Adair, Iowa | Died in office in 1932. |
| Ora E. Husted | Republican | 1933-1940 | Winterset, Iowa | |
| Harry Samuel Love | Republican | 1941-1946 | Bridgewater, Iowa | Resigned before the end of his term to accept appointment to the State Board of Social Welfare. |
| John Lyle Musmaker | Republican | 1947-1948 | Greenfield, Iowa | |
| Raymond R. Gillespie | Democrat | 1949-1952 | Winterset, Iowa | |
| Lorin B. Sayre | Republican | 1953-1956 | Winterset, Iowa | |
| Raymond R. Gillespie | Democrat | 1957-1960 | Winterset, Iowa | Died in office in 1960. |
| Joseph B. Flatt | Republican | 1961-1964 | Winterset, Iowa | |
| David M. Stanley | Republican | 1965-1966 | Muscatine, Iowa | |
| Roger John Shaff | Republican | 1967-1970 | Clinton, Iowa | |
| James A. Potgeter | Republican | 1971-1972 | Steamboat Rock, Iowa | |
| James V. Gallagher | Democrat | 1973-1982 | Vail, Iowa | |
| Dale L. Tieden | Republican | 1983-1992 | Elkader, Iowa | |
| Lyle E. Zieman | Republican | 1993-2000 | Postville, Iowa | |
| Mark Zieman | Republican | 2001-2002 | Postville, Iowa | |
| Julie M. Hosch | Republican | 2003-2004 | Cascade, Iowa | |
| Tom Hancock | Democrat | 2005-2012 | Dubuque, Iowa | |
| Dick L. Dearden | Democrat | 2013-2016 | Des Moines, Iowa | |
| Nate Boulton | Democrat | 2017-2022 | Des Moines, Iowa | |
| Claire Celsi | Democrat | 2023-Present | Des Moines, Iowa | |

## Historical District Boundaries

Source:
| Description | Years effective | Notes |
| Scott County | 1852-1855 | From 1846 to 1857, district numbering was not utilized by the Iowa State Legislature. This convention was added with the passing of the 1857 Iowa Constitution. Numbering of districts pre-1857 is done as a matter of historic convenience. |
| Mahaska County | 1856-1859 | |
| Keokuk County | 1860-1863 | |
| Washington County | 1864-1867 | |
| Muscatine County | 1868-1873 | |
| Dallas County Madison County | 1874-1877 | |
| Marion County | 1878-1883 | |
| Madison County Warren County | 1884-1887 | |
| Adair County Madison County | 1888-1962 | |
| Cedar County Muscatine County | 1963-1966 | |
| Clinton County | 1967-1970 | |
| Franklin County (partial) Hamilton County Hardin County Wright County (partial) | 1971-1972 | In 1970, the Iowa Legislature passed an amendment to the Iowa Constitution setting forth the rules for legislative redistricting in order to abide by the rules established by the Reynolds v. Sims Supreme Court case. The first reapportionment map created by the Republican controlled legislature was deemed unconstitutional, but was still used for the 1970 election. |
| Benton County (partial) Black Hawk County (partial) Buchanan County Linn County (partial) Tama County (partial) | 1973-1982 | |
| Allamakee County Clayton County Winneshiek County | 1983-1992 | |
| Allamakee County Clayton County Fayette County (partial) Winneshiek County (partial) | 1993-2002 | |
| Delaware County (partial) Excluding Coffins Grove Township Delaware Township Elk Township Honey Creek Township Oneida Township Richland Township Delaware Dundee Earlville Edgewood Greeley Masonville Dubuque County (partial) Excluding Dubuque Township (partial) Portions of Dubuque Township north of the city of Dubuque are part of District 16. Table Mound Township Washington Township Dubuque Jones County | 2003-2012 | |
| Polk County (partial) Des Moines (partial) Consisting primarily of the central city north and east of the Des Moines River Pleasant Hill | 2013-2022 | |
| Dallas County (partial) Northeasternmost corner of the county, bounded by Jordan Creek Pkwy and Ashworth Rd Polk County (partial) Bloomfield Township (partial) Section West of IA-28 only Walnut Township Clive (partial) Region south of US-6 Windsor Heights |