(NEXSTAR) – The least cheery of all seasons, tax season, is upon us. As you file this year, you may be paying a very different amount than your neighbors in a state next door.

An updated analysis by MoneyGeek, a personal finance site, evaluates how “tax friendly” each state is by evaluating the tax burden on the average citizen. States with low tax burdens earned an A, while those with the highest tax burden earned Fs.

Can you guess where Illinois ranked?

To conduct the study, MoneyGeek looked at how much a hypothetical family would pay in taxes if they were a married couple with one dependent, a gross income of $87,432 (the median national income), and a home worth about $375,000 (the median price of a new home). The lower the taxes on this hypothetical average family, the better the grade.

Illinois ranked as the worst, scoring an 'F' grade, with the highest tax burden in America, at 16.9%.

Another study, Kiplinger’s State-by-State Guide to Taxes on Middle-Class Families, lays the blame on Illinois’ property taxes, which are the highest in the country, steep sales tax, and a flat income tax rate of 4.95%.

The sales tax in Illinois is 6.25%, but localities can legally add as much as 4.75%, bringing the average to 8.83%.

The report found the median property tax rate at $2,165 per $100,000 of assessed home value.

Gas tax in Illinois is a whopping 59.56 cents per gallon.

Also scoring an 'F' in MoneyGeek's study were Connecticut (15.3%), New Jersey (14.8%), and New Hampshire (14.3%).

Unsurprisingly, the states with no state income taxes at all ended up scoring highly. Those eight states are Alaska, Florida, Nevada, South Dakota, Tennessee, Texas, Washington, and Wyoming.

However, residents of some of those states end up paying higher sales taxes. The states with the highest sales taxes are Tennessee (9.55%), Louisiana (9.52%), Arkansas (9.51%), Washington (9.23%), and Alabama (9.22%), according to TurboTax.

The states with the highest top personal income tax rates are California, Hawaii, New Jersey, Oregon and Minnesota, TurboTax reports, but that doesn't necessarily mean people in those states are getting hit hardest in the end. Each of those states has its own complex set of rules of tax credits, deductions and income floors to pay any state taxes at all.

MoneyGeek’s system of grading states on tax burden only holds true for that hypothetical family earning about $87,000 a year with a $375,000 house. A family who just bought a $1 million house in California would probably be paying a lot more in taxes, while a single person earning $40,000 in Texas would pay less.