The US Census recently released demographic information for census tracts for 2015. Here are some quick maps for Franklin County census tract income 2010-2015.

First, median household income for both 2010 and 2015.

And the % change between 2010-2015.

As can be seen, a lot of the greatest improvements over the 5-year period were around Downtown, the Near East Side, North High, South High and around some of the higher-income suburbs like Upper Arlington and the New Albany area.

For more local and national population and demographic data, visit:
Demographics and Population
US Census