Republicans hold a 219-212 majority in the House, with four vacancies. New maps are typically drawn once a decade after the census is conducted. Many states, including Texas, give legislators the power to draw maps. California is among states that rely on an independent commission that is supposed to be nonpartisan.

California Gov. Gavin Newsom announced Thursday that he is moving forward with putting proposed new congressional maps for the state on the ballot in a Nov. 4 special election in an attempt to counter mid-decade redistricting being pushed by Republicans in Texas.