New Mexico will hold a special U.S. House election on June 1, 2021. This is to fill the vacancy caused by the resignation of Debra Haaland. Parties nominate by convention; there are no primaries for special elections in New Mexico.
The Census Bureau will be able to furnish state population totals by April 30, 2021. At that point it will be possible to know for sure how many seats each state will have in the U.S. House for elections 2022-2030. There are already estimates, of course.
This Patch story says the New Jersey Libertarian Party expects to have a bigger number of candidates this year than it usually does. In 2021, New Jersey elects a Governor, all of its Assembly members, and all its State Senators.
On Thursday, March 18, at 8:30 am, the North Dakota House Government and Veterans Affairs Committee will hear SB 2271. This is the bill to force election officials and their contractors to withhold the general election presidential vote totals until after the electoral college has met in mid-December. The bill has already passed the State Senate. The purpose of the bill is to sabotage the National Popular Vote Plan, should it ever go into effect. The bill’s provisions only take effect once the NPV plan is in effect.
Law professor Rick Hasen, editor of the Election Law blog, says Democrats are unlikely to pass HR One (the election law bill in Congress), whether the filibuster is eliminated for voting rights bills or not. He doubts the bill can get even 50 votes in the U.S. Senate. He recommends breaking the bill into separate bills. See his reasoning here.