Oklahoma is known for being friendly, but not when it comes to high taxes. The state ranks squarely in the bottom third of the U.S. for taxes as a percentage of income.
Sales Tax: Varies according to municipality, currently 8.375% (4.5% state + 0.0% county +3.875% city) in the city of Oklahoma City.
Property Tax: Oklahoma ranks 47-lowest in property taxes, according to MSN Money. Rates vary by county and area of county, in Oklahoma County assessment ratios vary from 11% for real property to 13.75% for personal property. Homestead exemptions allow a $1,000 deduction from the assessed value for primary residences. More info can be found here.
Personal Income Tax: State income tax levels range from 0.5% to 5.5%. The highest bracket was recently reduced from 6.25% to 5.5% in 2007, and then from 5.5% to 5.25% in 2011.