Congressman Jim Costa (D) hopes to continue representing California's 21st Congressional District.FRESNO COUNTY, Calif. (KFSN) -- Congressman Jim Costa (D) hopes to continue representing California's 21st Congressional District.[Ads /]Costa will once again face off against Michael Maher (R) for the seat.The pair last met in the 2022 general election for the district.[Ads /]Costa ended up winning the seat, taking home over 54% of the vote. Report a correction or typo