About IncomeTaxList.com, Leading Income Tax Data Provider
IncomeTaxList.com provides IRS state and city income tax data - all for free. What makes us different is that all of our information comes are from IRS filing, so it is actual information. The site is maintained by Data Research Group, a leading data research group.
About IncomeTaxList.com Income Tax Data
All the income tax data is obtained from Statistics of Income Division, Internal Revenue Service, Washington , DC.
ZIP Code Data show selected income and tax items classified by state, ZIP code, and size of adjusted gross income. The data are based on administrative records (individual income tax returns) from the Internal Revenue Service's Individual Master File (IMF) system, which includes a record for every Form 1040, 1040A, and 1040EZ filed with the IRS. The ZIP Code Data were developed by sorting the returns by the ZIP code provided on the return by the taxpayer. No attempt was made to correct the ZIP Codes provided by the taxpayers. In many cases, ZIP codes which are currently invalid were valid at some time in the past. Returns with foreign or APO or FPO addresses, or which did not contain a ZIP code were not included in these statistics. The state in which a return belonged was determined by the ZIP code.
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