(Harrisburg) -- Re-drawing congressional district lines falls to state legislators. Unlike a lot of their competing priorities, it has to get done by the end of the year to be ready for early primaries next April. Redistricting has been one verse of a chorus of legislative priorities repeated by state Republican leaders, and the governor, as well. But the Republican chair of the Senate committee charged with redrawing district lines, Senator Chuck McIlhinney of Bucks and Montgomery counties, says putting a map together won’t distract the Legislature from other urgent agenda items this fall. "It might take the actual week that we vote on it in Harrisburg could gobble up some time, just on a procedural standpoint," he says. "But other than that, I don’t think that Marcellus Shale’s going to get pushed back or any of the other policies for Pennsylvania are going to get pushed back because we’re in some deadlock over the congressional seats." Pennsylvania has to lose one of its 19 congressional districts because its population didn’t grow much compared to the rest of the country. McIlhinney says which district that will be is anyone’s guess, but it will likely be in the southwestern part of the state, which saw its population decline in the last U.S. census.