The median home price in previously redlined neighborhoods as of 2017. This is two-and-one-half times less than the median home price in the neighborhoods favored by 1930s federal lending policy.

More than 80 years ago, the government determined which neighborhoods it considered risky for federal mortgage loans, outlining the "riskiest" neighborhoods in red. The determining factor was largely race, regardless of the economic status of the residents. The gap in home values persists today -- and it's actually getting bigger.