We spent the past few weeks combing through recent Census data on education, income, race and age at the congressional district level and displayed what we found visually as various maps and charts. The Census Bureau’s 2021 American Community Survey provided us with the bulk of our data on education, income and age, though we continue to use 2020 Census voting-age population numbers for demographic analysis. Together, these charts tell a story of American politics — both where it is now and where it may be going — and explain some of the changes in voting behavior over the last several cycles.

1. Districts by race For years, Democratic strategists were confident that rapid demographic changes — particularly Latino population growth — would seal their upper hand in Sun Belt states like Arizona, Florida and Texas. Some of that has come to fruition: Arizona has now elected two Democratic senators and a Democratic governor. And while Republicans have made gains with Latinos, of the 47 majority- or plurality-Hispanic districts in the country by voting age population, 38 remain held by

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