The 2020 Census will lead to a reapportionment of Congressional Districts. Since each state receives electoral votes equal to its number of Districts (+2 for its Senators), the electoral map will be changing for the 2024 presidential election. Based on the late 2016 estimate by Election Data Services, TX and FL will be the big winners, gaining 4 and 2 electoral votes, respectively, for the 2nd consecutive Census. AZ, CO, NC and OR will gain one each. IL is expected to lose 2 electoral votes, with 8 other states (AL, MI, MN, NY, OH, PA, RI, WV) on track to lose one.
This interactive map starts with states won by Trump and Clinton in the 2016 presidential election, ignoring the Maine split and faithless electors. In 2024, this projects to 308-230 Republican, 3 better than 2016's 305-233.