Flint, Mich., residents Virginia Mitchell, right, and her daughter-in-law, Tiara Williams, pictured in 2016 during the city’s lead contamination crisis. Flint is among communities that have lost population since 2010 and are seeking more federal dollars. (Tom Williams/CQ Roll Call file photo)
Despite explosive growth in other areas of the country since 2010, about 80 congressional districts have lost significant population over the decade — leaving many looking for help from the federal government.
Some districts may have lost 30,000 or more people through 2018, many of them in manufacturing and mining areas in the Northeast, according to Census Bureau data released last month. Most of those districts are represented by Democrats but located in states President Donald Trump won in 2016 by promising new trade deals that have since taken a back seat in Washington.