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. 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.Costa ended up winning the seat, taking home over 54% of the vote. Report a correction or typo