The Statistics of Income (SOI) Division's adjusted gross income (AGI) percentile data by State are based on individual income tax returns (Forms 1040) filed with the Internal Revenue Service (IRS) during a given tax year. The data present the number of individual income tax returns, total income tax, AGI floor percentiles, average tax rates, and sources of income, by selected descending cumulative percentiles. The data include all 50 states, as well as the District of Columbia. Documentation Adjusted Gross Income Percentiles by State Tax Year 2017 Documentation Guide Tax Years: 2019PDF | 2018PDF | 2017PDF | 2016PDF | 2015PDF | 2014PDF | 2013PDF CSV Files Adjusted Gross Income Percentiles by State Tax Year 2017 (CSV) Tax Years: 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 Table 1. Returns with Positive Adjusted Gross Income (AGI): Number of Returns, Shares of AGI and Total Income Tax, AGI Floor on Percentiles, and Average Tax Rates Classified by: Selected Descending Cumulative Percentiles of Returns Based on Income Size Using the Definition of AGI, by State Tax Years: 2019XLSX | 2018XLSX | 2017XLSX | 2016XLSX | 2015XLSX | 2014XLSX | 2013XLSX | 2006XLS Table 2. Returns with Positive Adjusted Gross Income (AGI): Number of Returns, Shares of AGI, and Sources of Income Classified by: Selected Descending Cumulative Percentiles of Returns Based on Income Size Using the Definition of AGI, by State Tax Years: 2019XLSX | 2018XLSX | 2017XLSX | 2016XLSX | 2015XLSX | 2014XLSX | 2013XLSX Adjusted Gross Income Percentile Data by State OneSheet, 2017PDF
