A vote was scheduled in both counties for February 13, 2007 where it was approved, 58% to 42% in Linn County and 67% to 33% in Johnson County. The tax for both counties went into effect on July 1, 2007 for a period of 10 years, making it a statewide tax. Iowa currently has a 6% state sales tax rate in addition to the 1% SILO tax and any other Local Option Sales Taxes (LOST) which may be in effect in each county, often an additional 1%.
In February 2007, votes were held in both counties on February 13, 2007, which resulted in approval, 58% to 42% in Linn County and 67% to 33% in Johnson County. The tax rates went into effect on July 1, 2007, for a decade-long period, becoming a statewide tax. Iowa's current sales tax rate consists of a 6% state rate plus the 1% SILO tax, along with any additional Local Option Sales Taxes (LOST) that may be applicable in each county.