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.
As a result, you will need to keep your 2008 tax return and related papers until April 2012. It's generally safe to shred and discard it after that (unless a situation described below applies to you). See IRS Publication 552, Recordkeeping for Individuals, for more information. Six Years. If you may have under-reported income by 25 percent or more, then you'll need to keep tax returns and all related information for six years.