Idaho State Tax Commission

Idaho State Tax Commission

Interest Rates

Year Annual Monthly Daily
2019 5% 0.0042 0.00013699
2018 4% 0.0033 0.00010959
2017 3% 0.0025 0.00008219
2016 4% 0.0033 0.00010959
2015 4% 0.0033 0.00010959
2014 4% 0.0033 0.00010959
2013 3% 0.0025 0.00008219
2012 4% 0.0033 0.00010959
2011 4% 0.0033 0.00010959
2010 5% 0.0042 0.00013699
2009 5% 0.0042 0.00013699
2008 7% 0.0058 0.00019178
2007 7% 0.0058 0.00019178
2006 6% 0.0050 0.00016393
2005 6% 0.0050 0.00016393
2004 6% 0.0050 0.00016393
2003 5% 0.0042 0.00013699
2002 7% 0.0058 0.00019178
2001 8% 0.0067 0.00021918
2000 8% 0.0067 0.00021918
1999 7% 0.0058 0.00019178
1998 8% 0.0067 0.00021918
1997 9% 0.0075 0.00024658
1996 8% 0.0067 0.00021918
1995 9% 0.0075 0.00024658
1994 7% 0.0058 0.00019178
07/1981-12/1993 12% 0.0100 0.00032877

Last updated August 20, 2018

This information is for general guidance only. Tax laws are complex and change regularly. We can't cover every circumstance in our guides. This guidance may not apply to your situation. Please contact us with any questions. We work to provide current and accurate information. But some information could have technical inaccuracies or typographical errors. If there's a conflict between current tax law and this information, current tax law will govern.