Some towns paid the U.S. Census Bureau to produce new local population counts to try to get more funding. But Trump's hiring freeze derailed their special census plans — and could hurt the 2030 count.

Harvard University is the latest school to implement a hiring freeze as federal funding remains uncertain. President Trump has threatened to cut federal funding for schools that allow "illegal" protests. Universities use millions of dollars in federal funding for student aid and research programs.

The University of Pennsylvania said it will freeze some staff hiring and review capital spending for new buildings and renovations as it faces potential funding cuts and new legislation that could threaten its finances.

The Trump administration’s cuts have the University of Pennsylvania pulling back on spending. The Ivy League school is freezing some hiring and reviewing its capital spending on new buildings and other projects.