State of Connecticut

Personal Income Tax Rates
Last Seven Calendar Years
(Expressed in Thousands)
  Top Income Tax Rate is Applied to Taxable Income in Excess of
Year Top Rate Single/
Married Filing
Jointly
Married
Filing
Jointly
Head of
Household
Average
Effective
Rate
2002 4.50% $10,000 $20,000 16,000 2.50%
2003 5.00% 10,000 20,000 16,000 2.48%
2004 5.00% 10,000 20,000 16,000 2.97%
2005 5.00% 10,000 20,000 16,000 3.17%
2006 5.00% 10,000 20,000 16,000 3.34%
2007 5.00% 10,000 20,000 16,000 3.46%
2008 5.00% 10,000 20,000 16,000 3.45%


Notes: Taxable income equal to or less than amounts listed above is taxed at a rate of 3%.
Average effective rate equals fiscal year net tax collections divided by prior-year total personal income.
Sources:U. S. Bureau of Economic Analysis and Department of Revenue Services