2022 Iowa Senate election

The 2022 Iowa Senate elections were held on November 8, 2022, to elect members of the Iowa Senate from 25 odd-numbered districts. Senators serve four-year terms in single-member constituencies, with half of the seats up for election each cycle. Primary elections were held on June 7.

Democrats

 * 1) District 27: Amanda Ragan retired.
 * 2) District 33: Rob Hogg retired.
 * 3) District 34: Liz Mathis retired to run for U. S. representative from Iowa's 2nd congressional district.
 * 4) District 43: Joe Bolkcom retired.
 * 5) District 45: Jim Lykam retired.

Republicans

 * 1) District 3: Jim Carlin retired to run for U.S. senator.
 * 2) District 6: Craig Williams retired.
 * 3) District 15: Zach Nunn retired to run for U. S. representative from Iowa's 3rd congressional district.
 * 4) District 32: Craig Johnson retired to run for state representative from District 67.
 * 5) District 44: Tim Goodwin retired.
 * 6) District 47: Roby Smith retired to run for treasurer of Iowa.

Summary of results

 * Note: Districts that did not hold elections in 2022 are not listed here.

Source:

Closest races
Seats where the margin of victory was under 10%:
 * 1) State Senate district 21, 1.92%
 * 2) State Senate district 14, 2.98%
 * 3) State Senate district 46, 8.0%
 * 4) State Senate district 40, 9.32%

Detailed results

 * Note: If a district does not list a primary, then that district did not have a competitive primary (i.e., there may have only been one candidate file for that district).

District 7

 * Democratic senator Jackie Smith was redistricted from District 7 to 1. No Democratic candidate filed in District 7; therefore, the district was an automatic gain for Republicans.

District 15

 * Republican state senator Zach Nunn decided to run for the US House of Representatives in Iowa's 3rd congressional district instead of re-election in this district in the Iowa State Senate. No Republican candidate filed in District 15; therefore, the district was an automatic gain for Democrats.

District 25

 * Republican senator Annette Sweeney was redistricted from District 25 to 27. No Republican candidate filed in District 25; therefore, the district was an automatic gain for Democrats.

District 49

 * Republican senator Chris Cournoyer was redistricted from District 49 to 35. No Republican candidate filed in District 49; therefore, the district was an automatic gain for Democrats.