This year marks the third consecutive year in which IL is among the few states to lose residents, putting its population at 12,801,539 people.
Kansas, with 2,907,289 people, ranked as the 36th most populous state after adding 568 people this year, according to the U.S. Census.
Its growth came from births, as well as immigrants who moved to Iowa from other countries, the Census Bureau data shows. The next two on the list were Florida and NY who had over 19.5 million people in their respective states and no other states came close to those four.
The new figure is about 100,000 more than 2010. Only Utah's populations is growing faster.More news: Parliament Winter Session Day 21
Population has an impact on a state's clout in Washington D.C., as well as federal funding. Iowa's estimated population now stands at 3,134,693 people.
Statewide growth stalled for years coming out of the Great Recession, but migration patterns have gradually started returning to their pre-recession norms, said Pamela Perlich, director of demographic research at the Institute.
Illinois' population first began to drop in 2014, when the state lost 7,391 people. Based on this year's estimate MI would have 13 seats - one fewer than 2010, according to an online calculator at the University of Michigan's Population Studies Center. Call him at 435-674-6261.