Now that data from the 2010 Census has been released, we can see how the population of individual counties in Kentucky has changed. That's necessary information as redistricting begins in earnest.CN2 has a breakdown of how congressional districts will need to change. Three of Kentucky's six districts (2nd, 4th and 6th) will need to shed counties, says the report. Block by block data (when released) will be used to redraw the boundaries of the Louisville Metro Council districts. The council workgroup on redistricting meets Monday.