The United States prides itself on its immigrant heritage and diversity, yet historically, minority advancements have faced opposition and violence. Little scholarship exists on how whites evaluate minority representation when represented by a minority in a legislative chamber. Prior research suggests that diversity may trigger negative racial and authoritarian attitudes among whites. Given recent political events in the United States and increases in the number of racial minorities running for and winning political office, we investigate white responses to minority representation in the United States Congress. Using the 2022 CES data, we examine how racial and authoritarian attitudes predict whites’ evaluations of Minority House Members. We expand beyond the Black and white binary to include whites’ evaluations of Hispanic legislators and broaden the study of racial attitudes beyond the Racial Resentment index. Our findings demonstrate that whites’ evaluations of minority legislators are linked to racial attitudes and endorsements of policy-based authoritarianism, varying by the representative’s race. White respondents who are in districts that are not represented by a Black or Hispanic legislator exemplify higher levels of racial resentment, disagree that whites have advantages, and agree that racial problems are rare. They also support more authoritarian policies than in districts represented by a Black Representative. White respondents’ approval of minority legislators relies on authoritarian policies and racial attitudes when the member of Congress is Black or Hispanic. In these districts, white respondents who disapprove of their Congressmember have more racial resentment, disagree that whites have advantages, and support more authoritarian policies than white respondents who approve of their Congressmember. This research provides insights into the complexities of minority political representation and its connection to policy-based authoritarianism, as well as its implications for American democracy.