Data by congressional district 2018 This study provides information on income, deductions, taxes, and credits reported on individual income tax returns at the congressional district and State level. Documentation Congressional District Data Tax Year Documentation Guide DOCX Congressional district data .csv Files 2018 Gross Congressional District File 2018 XLSX Zip File (contains the Documentation, the .csv files, and all State files in Excel format) 2018 ZIP Congressional district data by individual state Alabama XLSX Kentucky XLSX North Dakota XLSX Alaska XLSX Louisiana XLSX Ohio XLSX Arizona XLSX Maine XLSX Oklahoma XLSX Arkansas XLSX Maryland XLSX Oregon XLSX California XLSX Massachusetts XLSX Pennsylvania XLSX Colorado XLSX Michigan XLSX Rhode Island XLSX Connecticut XLSX Minnesota XLSX South Carolina XLSX Delaware XLSX Mississippi XLSX South Dakota XLSX District of Columbia XLSX Missouri XLSX Tennessee XLSX Florida XLSX Montana XLSX Texas XLSX Georgia XLSX Nebraska XLSX Utah XLSX Hawaii XLSX Nevada XLSX Vermont XLSX Idaho XLSX New Hampshire XLSX Virginia XLSX Illinois XLSX New Jersey XLSX Washington XLSX Indiana XLSX New Mexico XLSX West Virginia XLSX Iowa XLSX New York XLSX Wisconsin XLSX Kansas XLSX North Carolina XLSX Wyoming XLSX Return to Data by Congressional District