Hamilton, IL Population and Races. As of 2010-2014, the total population of Hamilton is 3,059, which is 0.99% more than it was in 2000. The population growth rate is lower than the state average rate of 3.62% and is much lower than the national average rate of 11.61%.
4. You do not file a return: Keep records indefinitely. 5. You file a claim for credit or refund after you file your return: Keep records for three years from the date you filed your original return or two years from the date you paid the tax, whichever is later.6. You file a claim for a loss from worthless securities or bad debt deduction: Keep records for seven years. 7.ou do not file a return: Keep records indefinitely. 5. You file a claim for credit or refund after you file your return: Keep records for three years from the date you filed your original return or two years from the date you paid the tax, whichever is later. 6.
The IRS generally has up to three years after the tax-filing deadline to initiate an audit, so keep your tax returns and supporting documents at least that longâin other words, after April 15 this year, hang on to returns and documents for tax years 2012 through 2014 .