Home prices took a dive throughout Richton Park between 2007 and 2015, a BlockShopper analysis showed.

The median sale price in the area was $126,943 in 2007, but fell to $42,575 in 2015 -- a difference of 66 percent. At the same time, the median Effective Tax Rate (ETR) fell from 3.91 percent in 2007 to 11.92 percent in 2015.

A home's ETR is its property tax bill divided by its marked value. A $200,000 home with a $3,000 property tax bill would have an ETR of 1.5 percent.

The median ETR in Illinois is 2.3 percent, according to a 2007 WalletHub analysis of U.S. Census data. In Indiana, it's 0.87 percent.

The average $200,000 home in Illinois has a property tax bill of $4,600, versus $1,740 in Indiana.

In Richton Park, a $200,000 home would have a bill of $23,840 based on the area's median ETR. Parts of Richton Park have an ETR between 8.46 and 17.57 percent.

The area's projected median sale price for 2023 is $14,475, at which time a homeowner will have paid an estimated $94,476 in property taxes on the home since 2007.

The Blockshopper analysis uses real home values, adjusting historical sales prices for inflation. The U.S. inflation rate from 2007 to 2015 was 14.3 percent, meaning a home had to appreciate by more than that to actually increase in value.

The table below compares sale prices and property taxes within Richton Park. To analyze the data more precisely, BlockShopper broke up suburbs into neighborhoods.