in 2016 David Peterson (Democratic), technology professional and perennial candidate Withdrew Tom McClintock (Republican), incumbent U.S. Representative (running in 5th district) Endorsements Predictions Polling Scott Jones vs. Kevin Kiley Results District 4 The boundaries of the district were redrawn during the 2020 redistricting cycle and incumbent Tom McClintock opted to run in the 5th district. Democrat Mike Thompson, who has represented the 5th district since 2013, was re-elected with 76.1% of the vote in 2020. Candidates Advanced to general Matt Brock (Republican), water utility supervisor Mike Thompson (Democratic), incumbent U.S. Representative Eliminated in primary Scott Giblin (Republican), information services technician and runner-up for this district in 2020 Andrew Engdahl (Democratic), community organizer and business leader Jimih Jones (Republican), parts advisor Jason Kishineff (No party preference), homemaker Endorsements Predictions Results District 5 Due to redistricting, the incumbent changed from Democrat Mike Thompson to Republican Devin Nunes. Nunes initially ran for re-election, but resigned his seat on January 1, 2022, in order to become the CEO of Trump Media & Technology Group. After this, fellow Republican Tom McClintock switched to running in this district. McClintock, who has represented the 4th district since 2009, was re-elected with 55.9% of the vote in 2020. Candidates Advanced to general Michael J. Barkley (Democratic), lawyer Tom McClintock (Republican), incumbent U.S. Representative Eliminated in primary Nathan Magsig (Republican), Fresno County supervisor David Main (Republican), emergency room physician Kelsten Charles Obert (Republican), businessman Steve Wozniak (No party preference), editor Withdrew Phil Arballo (Democratic), financial advisor and runner-up for this district in 2020 (running in the 13th district) Ricky Gill (Republican), former member of the U.S. National Security Council and the California State Board of Education and runner-up for the 9th district in 2012 (endorsed Tom McClintock) Elizabeth Heng (Republican), tech entrepreneur and runner-up for the 16th district in 2020 (running in the 13th district) Devin Nunes (Republican), former U.S. Representative (2013-2022) (endorsed Tom McClintock) Declined Andreas Borgeas (Republican), state senator Mike Boudreaux (Republican), Tulare County Sheriff (endorsed Magsig) Steve Brandau (Republican), chair of the Fresno County Board of Supervisors Luis Chavez (Democratic), president of the Fresno city council (running for reelection) Jerry Dyer (Republican), mayor of Fresno Shannon Grove (Republican), state senator from the 16th district and former Minority Leader of the California Senate Melissa Hurtado (Democratic), state senator (running for re-election) Andrew Janz (Democratic), Fresno County prosecutor, runner-up for this district in 2018, and candidate for mayor